git-gui.shon commit git-gui: fix use of undeclared variable diff_empty_count (8052e78)
   1#!/bin/sh
   2# Tcl ignores the next line -*- tcl -*- \
   3 if test "z$*" = zversion \
   4 || test "z$*" = z--version; \
   5 then \
   6        echo 'git-gui version @@GITGUI_VERSION@@'; \
   7        exit; \
   8 fi; \
   9 argv0=$0; \
  10 exec wish "$argv0" -- "$@"
  11
  12set appvers {@@GITGUI_VERSION@@}
  13set copyright [encoding convertfrom utf-8 {
  14Copyright © 2006, 2007 Shawn Pearce, et. al.
  15
  16This program is free software; you can redistribute it and/or modify
  17it under the terms of the GNU General Public License as published by
  18the Free Software Foundation; either version 2 of the License, or
  19(at your option) any later version.
  20
  21This program is distributed in the hope that it will be useful,
  22but WITHOUT ANY WARRANTY; without even the implied warranty of
  23MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24GNU General Public License for more details.
  25
  26You should have received a copy of the GNU General Public License
  27along with this program; if not, write to the Free Software
  28Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}]
  29
  30######################################################################
  31##
  32## Tcl/Tk sanity check
  33
  34if {[catch {package require Tcl 8.4} err]
  35 || [catch {package require Tk  8.4} err]
  36} {
  37        catch {wm withdraw .}
  38        tk_messageBox \
  39                -icon error \
  40                -type ok \
  41                -title [mc "git-gui: fatal error"] \
  42                -message $err
  43        exit 1
  44}
  45
  46catch {rename send {}} ; # What an evil concept...
  47
  48######################################################################
  49##
  50## locate our library
  51
  52set oguilib {@@GITGUI_LIBDIR@@}
  53set oguirel {@@GITGUI_RELATIVE@@}
  54if {$oguirel eq {1}} {
  55        set oguilib [file dirname [file normalize $argv0]]
  56        if {[file tail $oguilib] eq {git-core}} {
  57                set oguilib [file dirname $oguilib]
  58        }
  59        set oguilib [file dirname $oguilib]
  60        set oguilib [file join $oguilib share git-gui lib]
  61        set oguimsg [file join $oguilib msgs]
  62} elseif {[string match @@* $oguirel]} {
  63        set oguilib [file join [file dirname [file normalize $argv0]] lib]
  64        set oguimsg [file join [file dirname [file normalize $argv0]] po]
  65} else {
  66        set oguimsg [file join $oguilib msgs]
  67}
  68unset oguirel
  69
  70######################################################################
  71##
  72## enable verbose loading?
  73
  74if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
  75        unset _verbose
  76        rename auto_load real__auto_load
  77        proc auto_load {name args} {
  78                puts stderr "auto_load $name"
  79                return [uplevel 1 real__auto_load $name $args]
  80        }
  81        rename source real__source
  82        proc source {name} {
  83                puts stderr "source    $name"
  84                uplevel 1 real__source $name
  85        }
  86}
  87
  88######################################################################
  89##
  90## Internationalization (i18n) through msgcat and gettext. See
  91## http://www.gnu.org/software/gettext/manual/html_node/Tcl.html
  92
  93package require msgcat
  94
  95proc _mc_trim {fmt} {
  96        set cmk [string first @@ $fmt]
  97        if {$cmk > 0} {
  98                return [string range $fmt 0 [expr {$cmk - 1}]]
  99        }
 100        return $fmt
 101}
 102
 103proc mc {en_fmt args} {
 104        set fmt [_mc_trim [::msgcat::mc $en_fmt]]
 105        if {[catch {set msg [eval [list format $fmt] $args]} err]} {
 106                set msg [eval [list format [_mc_trim $en_fmt]] $args]
 107        }
 108        return $msg
 109}
 110
 111proc strcat {args} {
 112        return [join $args {}]
 113}
 114
 115::msgcat::mcload $oguimsg
 116unset oguimsg
 117
 118######################################################################
 119##
 120## read only globals
 121
 122set _appname {Git Gui}
 123set _gitdir {}
 124set _gitexec {}
 125set _reponame {}
 126set _iscygwin {}
 127set _search_path {}
 128
 129set _trace [lsearch -exact $argv --trace]
 130if {$_trace >= 0} {
 131        set argv [lreplace $argv $_trace $_trace]
 132        set _trace 1
 133} else {
 134        set _trace 0
 135}
 136
 137proc appname {} {
 138        global _appname
 139        return $_appname
 140}
 141
 142proc gitdir {args} {
 143        global _gitdir
 144        if {$args eq {}} {
 145                return $_gitdir
 146        }
 147        return [eval [list file join $_gitdir] $args]
 148}
 149
 150proc gitexec {args} {
 151        global _gitexec
 152        if {$_gitexec eq {}} {
 153                if {[catch {set _gitexec [git --exec-path]} err]} {
 154                        error "Git not installed?\n\n$err"
 155                }
 156                if {[is_Cygwin]} {
 157                        set _gitexec [exec cygpath \
 158                                --windows \
 159                                --absolute \
 160                                $_gitexec]
 161                } else {
 162                        set _gitexec [file normalize $_gitexec]
 163                }
 164        }
 165        if {$args eq {}} {
 166                return $_gitexec
 167        }
 168        return [eval [list file join $_gitexec] $args]
 169}
 170
 171proc reponame {} {
 172        return $::_reponame
 173}
 174
 175proc is_MacOSX {} {
 176        if {[tk windowingsystem] eq {aqua}} {
 177                return 1
 178        }
 179        return 0
 180}
 181
 182proc is_Windows {} {
 183        if {$::tcl_platform(platform) eq {windows}} {
 184                return 1
 185        }
 186        return 0
 187}
 188
 189proc is_Cygwin {} {
 190        global _iscygwin
 191        if {$_iscygwin eq {}} {
 192                if {$::tcl_platform(platform) eq {windows}} {
 193                        if {[catch {set p [exec cygpath --windir]} err]} {
 194                                set _iscygwin 0
 195                        } else {
 196                                set _iscygwin 1
 197                        }
 198                } else {
 199                        set _iscygwin 0
 200                }
 201        }
 202        return $_iscygwin
 203}
 204
 205proc is_enabled {option} {
 206        global enabled_options
 207        if {[catch {set on $enabled_options($option)}]} {return 0}
 208        return $on
 209}
 210
 211proc enable_option {option} {
 212        global enabled_options
 213        set enabled_options($option) 1
 214}
 215
 216proc disable_option {option} {
 217        global enabled_options
 218        set enabled_options($option) 0
 219}
 220
 221######################################################################
 222##
 223## config
 224
 225proc is_many_config {name} {
 226        switch -glob -- $name {
 227        gui.recentrepo -
 228        remote.*.fetch -
 229        remote.*.push
 230                {return 1}
 231        *
 232                {return 0}
 233        }
 234}
 235
 236proc is_config_true {name} {
 237        global repo_config
 238        if {[catch {set v $repo_config($name)}]} {
 239                return 0
 240        } elseif {$v eq {true} || $v eq {1} || $v eq {yes}} {
 241                return 1
 242        } else {
 243                return 0
 244        }
 245}
 246
 247proc get_config {name} {
 248        global repo_config
 249        if {[catch {set v $repo_config($name)}]} {
 250                return {}
 251        } else {
 252                return $v
 253        }
 254}
 255
 256######################################################################
 257##
 258## handy utils
 259
 260proc _trace_exec {cmd} {
 261        if {!$::_trace} return
 262        set d {}
 263        foreach v $cmd {
 264                if {$d ne {}} {
 265                        append d { }
 266                }
 267                if {[regexp {[ \t\r\n'"$?*]} $v]} {
 268                        set v [sq $v]
 269                }
 270                append d $v
 271        }
 272        puts stderr $d
 273}
 274
 275proc _git_cmd {name} {
 276        global _git_cmd_path
 277
 278        if {[catch {set v $_git_cmd_path($name)}]} {
 279                switch -- $name {
 280                  version   -
 281                --version   -
 282                --exec-path { return [list $::_git $name] }
 283                }
 284
 285                set p [gitexec git-$name$::_search_exe]
 286                if {[file exists $p]} {
 287                        set v [list $p]
 288                } elseif {[is_Windows] && [file exists [gitexec git-$name]]} {
 289                        # Try to determine what sort of magic will make
 290                        # git-$name go and do its thing, because native
 291                        # Tcl on Windows doesn't know it.
 292                        #
 293                        set p [gitexec git-$name]
 294                        set f [open $p r]
 295                        set s [gets $f]
 296                        close $f
 297
 298                        switch -glob -- [lindex $s 0] {
 299                        #!*sh     { set i sh     }
 300                        #!*perl   { set i perl   }
 301                        #!*python { set i python }
 302                        default   { error "git-$name is not supported: $s" }
 303                        }
 304
 305                        upvar #0 _$i interp
 306                        if {![info exists interp]} {
 307                                set interp [_which $i]
 308                        }
 309                        if {$interp eq {}} {
 310                                error "git-$name requires $i (not in PATH)"
 311                        }
 312                        set v [concat [list $interp] [lrange $s 1 end] [list $p]]
 313                } else {
 314                        # Assume it is builtin to git somehow and we
 315                        # aren't actually able to see a file for it.
 316                        #
 317                        set v [list $::_git $name]
 318                }
 319                set _git_cmd_path($name) $v
 320        }
 321        return $v
 322}
 323
 324proc _which {what args} {
 325        global env _search_exe _search_path
 326
 327        if {$_search_path eq {}} {
 328                if {[is_Cygwin] && [regexp {^(/|\.:)} $env(PATH)]} {
 329                        set _search_path [split [exec cygpath \
 330                                --windows \
 331                                --path \
 332                                --absolute \
 333                                $env(PATH)] {;}]
 334                        set _search_exe .exe
 335                } elseif {[is_Windows]} {
 336                        set gitguidir [file dirname [info script]]
 337                        regsub -all ";" $gitguidir "\\;" gitguidir
 338                        set env(PATH) "$gitguidir;$env(PATH)"
 339                        set _search_path [split $env(PATH) {;}]
 340                        set _search_exe .exe
 341                } else {
 342                        set _search_path [split $env(PATH) :]
 343                        set _search_exe {}
 344                }
 345        }
 346
 347        if {[is_Windows] && [lsearch -exact $args -script] >= 0} {
 348                set suffix {}
 349        } else {
 350                set suffix $_search_exe
 351        }
 352
 353        foreach p $_search_path {
 354                set p [file join $p $what$suffix]
 355                if {[file exists $p]} {
 356                        return [file normalize $p]
 357                }
 358        }
 359        return {}
 360}
 361
 362proc _lappend_nice {cmd_var} {
 363        global _nice
 364        upvar $cmd_var cmd
 365
 366        if {![info exists _nice]} {
 367                set _nice [_which nice]
 368        }
 369        if {$_nice ne {}} {
 370                lappend cmd $_nice
 371        }
 372}
 373
 374proc git {args} {
 375        set opt [list]
 376
 377        while {1} {
 378                switch -- [lindex $args 0] {
 379                --nice {
 380                        _lappend_nice opt
 381                }
 382
 383                default {
 384                        break
 385                }
 386
 387                }
 388
 389                set args [lrange $args 1 end]
 390        }
 391
 392        set cmdp [_git_cmd [lindex $args 0]]
 393        set args [lrange $args 1 end]
 394
 395        _trace_exec [concat $opt $cmdp $args]
 396        set result [eval exec $opt $cmdp $args]
 397        if {$::_trace} {
 398                puts stderr "< $result"
 399        }
 400        return $result
 401}
 402
 403proc _open_stdout_stderr {cmd} {
 404        _trace_exec $cmd
 405        if {[catch {
 406                        set fd [open [concat [list | ] $cmd] r]
 407                } err]} {
 408                if {   [lindex $cmd end] eq {2>@1}
 409                    && $err eq {can not find channel named "1"}
 410                        } {
 411                        # Older versions of Tcl 8.4 don't have this 2>@1 IO
 412                        # redirect operator.  Fallback to |& cat for those.
 413                        # The command was not actually started, so its safe
 414                        # to try to start it a second time.
 415                        #
 416                        set fd [open [concat \
 417                                [list | ] \
 418                                [lrange $cmd 0 end-1] \
 419                                [list |& cat] \
 420                                ] r]
 421                } else {
 422                        error $err
 423                }
 424        }
 425        fconfigure $fd -eofchar {}
 426        return $fd
 427}
 428
 429proc git_read {args} {
 430        set opt [list]
 431
 432        while {1} {
 433                switch -- [lindex $args 0] {
 434                --nice {
 435                        _lappend_nice opt
 436                }
 437
 438                --stderr {
 439                        lappend args 2>@1
 440                }
 441
 442                default {
 443                        break
 444                }
 445
 446                }
 447
 448                set args [lrange $args 1 end]
 449        }
 450
 451        set cmdp [_git_cmd [lindex $args 0]]
 452        set args [lrange $args 1 end]
 453
 454        return [_open_stdout_stderr [concat $opt $cmdp $args]]
 455}
 456
 457proc git_write {args} {
 458        set opt [list]
 459
 460        while {1} {
 461                switch -- [lindex $args 0] {
 462                --nice {
 463                        _lappend_nice opt
 464                }
 465
 466                default {
 467                        break
 468                }
 469
 470                }
 471
 472                set args [lrange $args 1 end]
 473        }
 474
 475        set cmdp [_git_cmd [lindex $args 0]]
 476        set args [lrange $args 1 end]
 477
 478        _trace_exec [concat $opt $cmdp $args]
 479        return [open [concat [list | ] $opt $cmdp $args] w]
 480}
 481
 482proc githook_read {hook_name args} {
 483        set pchook [gitdir hooks $hook_name]
 484        lappend args 2>@1
 485
 486        # On Windows [file executable] might lie so we need to ask
 487        # the shell if the hook is executable.  Yes that's annoying.
 488        #
 489        if {[is_Windows]} {
 490                upvar #0 _sh interp
 491                if {![info exists interp]} {
 492                        set interp [_which sh]
 493                }
 494                if {$interp eq {}} {
 495                        error "hook execution requires sh (not in PATH)"
 496                }
 497
 498                set scr {if test -x "$1";then exec "$@";fi}
 499                set sh_c [list $interp -c $scr $interp $pchook]
 500                return [_open_stdout_stderr [concat $sh_c $args]]
 501        }
 502
 503        if {[file executable $pchook]} {
 504                return [_open_stdout_stderr [concat [list $pchook] $args]]
 505        }
 506
 507        return {}
 508}
 509
 510proc kill_file_process {fd} {
 511        set process [pid $fd]
 512
 513        catch {
 514                if {[is_Windows]} {
 515                        # Use a Cygwin-specific flag to allow killing
 516                        # native Windows processes
 517                        exec kill -f $process
 518                } else {
 519                        exec kill $process
 520                }
 521        }
 522}
 523
 524proc gitattr {path attr default} {
 525        if {[catch {set r [git check-attr $attr -- $path]}]} {
 526                set r unspecified
 527        } else {
 528                set r [join [lrange [split $r :] 2 end] :]
 529                regsub {^ } $r {} r
 530        }
 531        if {$r eq {unspecified}} {
 532                return $default
 533        }
 534        return $r
 535}
 536
 537proc sq {value} {
 538        regsub -all ' $value "'\\''" value
 539        return "'$value'"
 540}
 541
 542proc load_current_branch {} {
 543        global current_branch is_detached
 544
 545        set fd [open [gitdir HEAD] r]
 546        if {[gets $fd ref] < 1} {
 547                set ref {}
 548        }
 549        close $fd
 550
 551        set pfx {ref: refs/heads/}
 552        set len [string length $pfx]
 553        if {[string equal -length $len $pfx $ref]} {
 554                # We're on a branch.  It might not exist.  But
 555                # HEAD looks good enough to be a branch.
 556                #
 557                set current_branch [string range $ref $len end]
 558                set is_detached 0
 559        } else {
 560                # Assume this is a detached head.
 561                #
 562                set current_branch HEAD
 563                set is_detached 1
 564        }
 565}
 566
 567auto_load tk_optionMenu
 568rename tk_optionMenu real__tkOptionMenu
 569proc tk_optionMenu {w varName args} {
 570        set m [eval real__tkOptionMenu $w $varName $args]
 571        $m configure -font font_ui
 572        $w configure -font font_ui
 573        return $m
 574}
 575
 576proc rmsel_tag {text} {
 577        $text tag conf sel \
 578                -background [$text cget -background] \
 579                -foreground [$text cget -foreground] \
 580                -borderwidth 0
 581        $text tag conf in_sel -background lightgray
 582        bind $text <Motion> break
 583        return $text
 584}
 585
 586set root_exists 0
 587bind . <Visibility> {
 588        bind . <Visibility> {}
 589        set root_exists 1
 590}
 591
 592if {[is_Windows]} {
 593        wm iconbitmap . -default $oguilib/git-gui.ico
 594        set ::tk::AlwaysShowSelection 1
 595
 596        # Spoof an X11 display for SSH
 597        if {![info exists env(DISPLAY)]} {
 598                set env(DISPLAY) :9999
 599        }
 600} else {
 601        catch {
 602                image create photo gitlogo -width 16 -height 16
 603
 604                gitlogo put #33CC33 -to  7  0  9  2
 605                gitlogo put #33CC33 -to  4  2 12  4
 606                gitlogo put #33CC33 -to  7  4  9  6
 607                gitlogo put #CC3333 -to  4  6 12  8
 608                gitlogo put gray26  -to  4  9  6 10
 609                gitlogo put gray26  -to  3 10  6 12
 610                gitlogo put gray26  -to  8  9 13 11
 611                gitlogo put gray26  -to  8 11 10 12
 612                gitlogo put gray26  -to 11 11 13 14
 613                gitlogo put gray26  -to  3 12  5 14
 614                gitlogo put gray26  -to  5 13
 615                gitlogo put gray26  -to 10 13
 616                gitlogo put gray26  -to  4 14 12 15
 617                gitlogo put gray26  -to  5 15 11 16
 618                gitlogo redither
 619
 620                wm iconphoto . -default gitlogo
 621        }
 622}
 623
 624######################################################################
 625##
 626## config defaults
 627
 628set cursor_ptr arrow
 629font create font_diff -family Courier -size 10
 630font create font_ui
 631catch {
 632        label .dummy
 633        eval font configure font_ui [font actual [.dummy cget -font]]
 634        destroy .dummy
 635}
 636
 637font create font_uiitalic
 638font create font_uibold
 639font create font_diffbold
 640font create font_diffitalic
 641
 642foreach class {Button Checkbutton Entry Label
 643                Labelframe Listbox Menu Message
 644                Radiobutton Spinbox Text} {
 645        option add *$class.font font_ui
 646}
 647unset class
 648
 649if {[is_Windows] || [is_MacOSX]} {
 650        option add *Menu.tearOff 0
 651}
 652
 653if {[is_MacOSX]} {
 654        set M1B M1
 655        set M1T Cmd
 656} else {
 657        set M1B Control
 658        set M1T Ctrl
 659}
 660
 661proc bind_button3 {w cmd} {
 662        bind $w <Any-Button-3> $cmd
 663        if {[is_MacOSX]} {
 664                # Mac OS X sends Button-2 on right click through three-button mouse,
 665                # or through trackpad right-clicking (two-finger touch + click).
 666                bind $w <Any-Button-2> $cmd
 667                bind $w <Control-Button-1> $cmd
 668        }
 669}
 670
 671proc apply_config {} {
 672        global repo_config font_descs
 673
 674        foreach option $font_descs {
 675                set name [lindex $option 0]
 676                set font [lindex $option 1]
 677                if {[catch {
 678                        set need_weight 1
 679                        foreach {cn cv} $repo_config(gui.$name) {
 680                                if {$cn eq {-weight}} {
 681                                        set need_weight 0
 682                                }
 683                                font configure $font $cn $cv
 684                        }
 685                        if {$need_weight} {
 686                                font configure $font -weight normal
 687                        }
 688                        } err]} {
 689                        error_popup [strcat [mc "Invalid font specified in %s:" "gui.$name"] "\n\n$err"]
 690                }
 691                foreach {cn cv} [font configure $font] {
 692                        font configure ${font}bold $cn $cv
 693                        font configure ${font}italic $cn $cv
 694                }
 695                font configure ${font}bold -weight bold
 696                font configure ${font}italic -slant italic
 697        }
 698}
 699
 700set default_config(branch.autosetupmerge) true
 701set default_config(merge.tool) {}
 702set default_config(merge.keepbackup) true
 703set default_config(merge.diffstat) true
 704set default_config(merge.summary) false
 705set default_config(merge.verbosity) 2
 706set default_config(user.name) {}
 707set default_config(user.email) {}
 708
 709set default_config(gui.encoding) [encoding system]
 710set default_config(gui.matchtrackingbranch) false
 711set default_config(gui.pruneduringfetch) false
 712set default_config(gui.trustmtime) false
 713set default_config(gui.fastcopyblame) false
 714set default_config(gui.copyblamethreshold) 40
 715set default_config(gui.blamehistoryctx) 7
 716set default_config(gui.diffcontext) 5
 717set default_config(gui.commitmsgwidth) 75
 718set default_config(gui.newbranchtemplate) {}
 719set default_config(gui.spellingdictionary) {}
 720set default_config(gui.fontui) [font configure font_ui]
 721set default_config(gui.fontdiff) [font configure font_diff]
 722set font_descs {
 723        {fontui   font_ui   {mc "Main Font"}}
 724        {fontdiff font_diff {mc "Diff/Console Font"}}
 725}
 726
 727######################################################################
 728##
 729## find git
 730
 731set _git  [_which git]
 732if {$_git eq {}} {
 733        catch {wm withdraw .}
 734        tk_messageBox \
 735                -icon error \
 736                -type ok \
 737                -title [mc "git-gui: fatal error"] \
 738                -message [mc "Cannot find git in PATH."]
 739        exit 1
 740}
 741
 742######################################################################
 743##
 744## version check
 745
 746if {[catch {set _git_version [git --version]} err]} {
 747        catch {wm withdraw .}
 748        tk_messageBox \
 749                -icon error \
 750                -type ok \
 751                -title [mc "git-gui: fatal error"] \
 752                -message "Cannot determine Git version:
 753
 754$err
 755
 756[appname] requires Git 1.5.0 or later."
 757        exit 1
 758}
 759if {![regsub {^git version } $_git_version {} _git_version]} {
 760        catch {wm withdraw .}
 761        tk_messageBox \
 762                -icon error \
 763                -type ok \
 764                -title [mc "git-gui: fatal error"] \
 765                -message [strcat [mc "Cannot parse Git version string:"] "\n\n$_git_version"]
 766        exit 1
 767}
 768
 769set _real_git_version $_git_version
 770regsub -- {[\-\.]dirty$} $_git_version {} _git_version
 771regsub {\.[0-9]+\.g[0-9a-f]+$} $_git_version {} _git_version
 772regsub {\.[a-zA-Z]+\.?[0-9]+$} $_git_version {} _git_version
 773regsub {\.GIT$} $_git_version {} _git_version
 774regsub {\.[a-zA-Z]+\.?[0-9]+$} $_git_version {} _git_version
 775
 776if {![regexp {^[1-9]+(\.[0-9]+)+$} $_git_version]} {
 777        catch {wm withdraw .}
 778        if {[tk_messageBox \
 779                -icon warning \
 780                -type yesno \
 781                -default no \
 782                -title "[appname]: warning" \
 783                 -message [mc "Git version cannot be determined.
 784
 785%s claims it is version '%s'.
 786
 787%s requires at least Git 1.5.0 or later.
 788
 789Assume '%s' is version 1.5.0?
 790" $_git $_real_git_version [appname] $_real_git_version]] eq {yes}} {
 791                set _git_version 1.5.0
 792        } else {
 793                exit 1
 794        }
 795}
 796unset _real_git_version
 797
 798proc git-version {args} {
 799        global _git_version
 800
 801        switch [llength $args] {
 802        0 {
 803                return $_git_version
 804        }
 805
 806        2 {
 807                set op [lindex $args 0]
 808                set vr [lindex $args 1]
 809                set cm [package vcompare $_git_version $vr]
 810                return [expr $cm $op 0]
 811        }
 812
 813        4 {
 814                set type [lindex $args 0]
 815                set name [lindex $args 1]
 816                set parm [lindex $args 2]
 817                set body [lindex $args 3]
 818
 819                if {($type ne {proc} && $type ne {method})} {
 820                        error "Invalid arguments to git-version"
 821                }
 822                if {[llength $body] < 2 || [lindex $body end-1] ne {default}} {
 823                        error "Last arm of $type $name must be default"
 824                }
 825
 826                foreach {op vr cb} [lrange $body 0 end-2] {
 827                        if {[git-version $op $vr]} {
 828                                return [uplevel [list $type $name $parm $cb]]
 829                        }
 830                }
 831
 832                return [uplevel [list $type $name $parm [lindex $body end]]]
 833        }
 834
 835        default {
 836                error "git-version >= x"
 837        }
 838
 839        }
 840}
 841
 842if {[git-version < 1.5]} {
 843        catch {wm withdraw .}
 844        tk_messageBox \
 845                -icon error \
 846                -type ok \
 847                -title [mc "git-gui: fatal error"] \
 848                -message "[appname] requires Git 1.5.0 or later.
 849
 850You are using [git-version]:
 851
 852[git --version]"
 853        exit 1
 854}
 855
 856######################################################################
 857##
 858## configure our library
 859
 860set idx [file join $oguilib tclIndex]
 861if {[catch {set fd [open $idx r]} err]} {
 862        catch {wm withdraw .}
 863        tk_messageBox \
 864                -icon error \
 865                -type ok \
 866                -title [mc "git-gui: fatal error"] \
 867                -message $err
 868        exit 1
 869}
 870if {[gets $fd] eq {# Autogenerated by git-gui Makefile}} {
 871        set idx [list]
 872        while {[gets $fd n] >= 0} {
 873                if {$n ne {} && ![string match #* $n]} {
 874                        lappend idx $n
 875                }
 876        }
 877} else {
 878        set idx {}
 879}
 880close $fd
 881
 882if {$idx ne {}} {
 883        set loaded [list]
 884        foreach p $idx {
 885                if {[lsearch -exact $loaded $p] >= 0} continue
 886                source [file join $oguilib $p]
 887                lappend loaded $p
 888        }
 889        unset loaded p
 890} else {
 891        set auto_path [concat [list $oguilib] $auto_path]
 892}
 893unset -nocomplain idx fd
 894
 895######################################################################
 896##
 897## config file parsing
 898
 899git-version proc _parse_config {arr_name args} {
 900        >= 1.5.3 {
 901                upvar $arr_name arr
 902                array unset arr
 903                set buf {}
 904                catch {
 905                        set fd_rc [eval \
 906                                [list git_read config] \
 907                                $args \
 908                                [list --null --list]]
 909                        fconfigure $fd_rc -translation binary
 910                        set buf [read $fd_rc]
 911                        close $fd_rc
 912                }
 913                foreach line [split $buf "\0"] {
 914                        if {[regexp {^([^\n]+)\n(.*)$} $line line name value]} {
 915                                if {[is_many_config $name]} {
 916                                        lappend arr($name) $value
 917                                } else {
 918                                        set arr($name) $value
 919                                }
 920                        }
 921                }
 922        }
 923        default {
 924                upvar $arr_name arr
 925                array unset arr
 926                catch {
 927                        set fd_rc [eval [list git_read config --list] $args]
 928                        while {[gets $fd_rc line] >= 0} {
 929                                if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
 930                                        if {[is_many_config $name]} {
 931                                                lappend arr($name) $value
 932                                        } else {
 933                                                set arr($name) $value
 934                                        }
 935                                }
 936                        }
 937                        close $fd_rc
 938                }
 939        }
 940}
 941
 942proc load_config {include_global} {
 943        global repo_config global_config system_config default_config
 944
 945        if {$include_global} {
 946                _parse_config system_config --system
 947                _parse_config global_config --global
 948        }
 949        _parse_config repo_config
 950
 951        foreach name [array names default_config] {
 952                if {[catch {set v $system_config($name)}]} {
 953                        set system_config($name) $default_config($name)
 954                }
 955        }
 956        foreach name [array names system_config] {
 957                if {[catch {set v $global_config($name)}]} {
 958                        set global_config($name) $system_config($name)
 959                }
 960                if {[catch {set v $repo_config($name)}]} {
 961                        set repo_config($name) $system_config($name)
 962                }
 963        }
 964}
 965
 966######################################################################
 967##
 968## feature option selection
 969
 970if {[regexp {^git-(.+)$} [file tail $argv0] _junk subcommand]} {
 971        unset _junk
 972} else {
 973        set subcommand gui
 974}
 975if {$subcommand eq {gui.sh}} {
 976        set subcommand gui
 977}
 978if {$subcommand eq {gui} && [llength $argv] > 0} {
 979        set subcommand [lindex $argv 0]
 980        set argv [lrange $argv 1 end]
 981}
 982
 983enable_option multicommit
 984enable_option branch
 985enable_option transport
 986disable_option bare
 987
 988switch -- $subcommand {
 989browser -
 990blame {
 991        enable_option bare
 992
 993        disable_option multicommit
 994        disable_option branch
 995        disable_option transport
 996}
 997citool {
 998        enable_option singlecommit
 999        enable_option retcode
1000
1001        disable_option multicommit
1002        disable_option branch
1003        disable_option transport
1004
1005        while {[llength $argv] > 0} {
1006                set a [lindex $argv 0]
1007                switch -- $a {
1008                --amend {
1009                        enable_option initialamend
1010                }
1011                --nocommit {
1012                        enable_option nocommit
1013                        enable_option nocommitmsg
1014                }
1015                --commitmsg {
1016                        disable_option nocommitmsg
1017                }
1018                default {
1019                        break
1020                }
1021                }
1022
1023                set argv [lrange $argv 1 end]
1024        }
1025}
1026}
1027
1028######################################################################
1029##
1030## execution environment
1031
1032set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}]
1033
1034# Suggest our implementation of askpass, if none is set
1035if {![info exists env(SSH_ASKPASS)]} {
1036        set env(SSH_ASKPASS) [gitexec git-gui--askpass]
1037}
1038
1039######################################################################
1040##
1041## repository setup
1042
1043set picked 0
1044if {[catch {
1045                set _gitdir $env(GIT_DIR)
1046                set _prefix {}
1047                }]
1048        && [catch {
1049                set _gitdir [git rev-parse --git-dir]
1050                set _prefix [git rev-parse --show-prefix]
1051        } err]} {
1052        load_config 1
1053        apply_config
1054        choose_repository::pick
1055        set picked 1
1056}
1057if {![file isdirectory $_gitdir] && [is_Cygwin]} {
1058        catch {set _gitdir [exec cygpath --windows $_gitdir]}
1059}
1060if {![file isdirectory $_gitdir]} {
1061        catch {wm withdraw .}
1062        error_popup [strcat [mc "Git directory not found:"] "\n\n$_gitdir"]
1063        exit 1
1064}
1065if {$_prefix ne {}} {
1066        regsub -all {[^/]+/} $_prefix ../ cdup
1067        if {[catch {cd $cdup} err]} {
1068                catch {wm withdraw .}
1069                error_popup [strcat [mc "Cannot move to top of working directory:"] "\n\n$err"]
1070                exit 1
1071        }
1072        unset cdup
1073} elseif {![is_enabled bare]} {
1074        if {[lindex [file split $_gitdir] end] ne {.git}} {
1075                catch {wm withdraw .}
1076                error_popup [strcat [mc "Cannot use funny .git directory:"] "\n\n$_gitdir"]
1077                exit 1
1078        }
1079        if {[catch {cd [file dirname $_gitdir]} err]} {
1080                catch {wm withdraw .}
1081                error_popup [strcat [mc "No working directory"] " [file dirname $_gitdir]:\n\n$err"]
1082                exit 1
1083        }
1084}
1085set _reponame [file split [file normalize $_gitdir]]
1086if {[lindex $_reponame end] eq {.git}} {
1087        set _reponame [lindex $_reponame end-1]
1088} else {
1089        set _reponame [lindex $_reponame end]
1090}
1091
1092######################################################################
1093##
1094## global init
1095
1096set current_diff_path {}
1097set current_diff_side {}
1098set diff_actions [list]
1099
1100set HEAD {}
1101set PARENT {}
1102set MERGE_HEAD [list]
1103set commit_type {}
1104set empty_tree {}
1105set current_branch {}
1106set is_detached 0
1107set current_diff_path {}
1108set is_3way_diff 0
1109set is_conflict_diff 0
1110set selected_commit_type new
1111set diff_empty_count 0
1112
1113set nullid "0000000000000000000000000000000000000000"
1114set nullid2 "0000000000000000000000000000000000000001"
1115
1116######################################################################
1117##
1118## task management
1119
1120set rescan_active 0
1121set diff_active 0
1122set last_clicked {}
1123
1124set disable_on_lock [list]
1125set index_lock_type none
1126
1127proc lock_index {type} {
1128        global index_lock_type disable_on_lock
1129
1130        if {$index_lock_type eq {none}} {
1131                set index_lock_type $type
1132                foreach w $disable_on_lock {
1133                        uplevel #0 $w disabled
1134                }
1135                return 1
1136        } elseif {$index_lock_type eq "begin-$type"} {
1137                set index_lock_type $type
1138                return 1
1139        }
1140        return 0
1141}
1142
1143proc unlock_index {} {
1144        global index_lock_type disable_on_lock
1145
1146        set index_lock_type none
1147        foreach w $disable_on_lock {
1148                uplevel #0 $w normal
1149        }
1150}
1151
1152######################################################################
1153##
1154## status
1155
1156proc repository_state {ctvar hdvar mhvar} {
1157        global current_branch
1158        upvar $ctvar ct $hdvar hd $mhvar mh
1159
1160        set mh [list]
1161
1162        load_current_branch
1163        if {[catch {set hd [git rev-parse --verify HEAD]}]} {
1164                set hd {}
1165                set ct initial
1166                return
1167        }
1168
1169        set merge_head [gitdir MERGE_HEAD]
1170        if {[file exists $merge_head]} {
1171                set ct merge
1172                set fd_mh [open $merge_head r]
1173                while {[gets $fd_mh line] >= 0} {
1174                        lappend mh $line
1175                }
1176                close $fd_mh
1177                return
1178        }
1179
1180        set ct normal
1181}
1182
1183proc PARENT {} {
1184        global PARENT empty_tree
1185
1186        set p [lindex $PARENT 0]
1187        if {$p ne {}} {
1188                return $p
1189        }
1190        if {$empty_tree eq {}} {
1191                set empty_tree [git mktree << {}]
1192        }
1193        return $empty_tree
1194}
1195
1196proc force_amend {} {
1197        global selected_commit_type
1198        global HEAD PARENT MERGE_HEAD commit_type
1199
1200        repository_state newType newHEAD newMERGE_HEAD
1201        set HEAD $newHEAD
1202        set PARENT $newHEAD
1203        set MERGE_HEAD $newMERGE_HEAD
1204        set commit_type $newType
1205
1206        set selected_commit_type amend
1207        do_select_commit_type
1208}
1209
1210proc rescan {after {honor_trustmtime 1}} {
1211        global HEAD PARENT MERGE_HEAD commit_type
1212        global ui_index ui_workdir ui_comm
1213        global rescan_active file_states
1214        global repo_config
1215
1216        if {$rescan_active > 0 || ![lock_index read]} return
1217
1218        repository_state newType newHEAD newMERGE_HEAD
1219        if {[string match amend* $commit_type]
1220                && $newType eq {normal}
1221                && $newHEAD eq $HEAD} {
1222        } else {
1223                set HEAD $newHEAD
1224                set PARENT $newHEAD
1225                set MERGE_HEAD $newMERGE_HEAD
1226                set commit_type $newType
1227        }
1228
1229        array unset file_states
1230
1231        if {!$::GITGUI_BCK_exists &&
1232                (![$ui_comm edit modified]
1233                || [string trim [$ui_comm get 0.0 end]] eq {})} {
1234                if {[string match amend* $commit_type]} {
1235                } elseif {[load_message GITGUI_MSG]} {
1236                } elseif {[run_prepare_commit_msg_hook]} {
1237                } elseif {[load_message MERGE_MSG]} {
1238                } elseif {[load_message SQUASH_MSG]} {
1239                }
1240                $ui_comm edit reset
1241                $ui_comm edit modified false
1242        }
1243
1244        if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
1245                rescan_stage2 {} $after
1246        } else {
1247                set rescan_active 1
1248                ui_status [mc "Refreshing file status..."]
1249                set fd_rf [git_read update-index \
1250                        -q \
1251                        --unmerged \
1252                        --ignore-missing \
1253                        --refresh \
1254                        ]
1255                fconfigure $fd_rf -blocking 0 -translation binary
1256                fileevent $fd_rf readable \
1257                        [list rescan_stage2 $fd_rf $after]
1258        }
1259}
1260
1261if {[is_Cygwin]} {
1262        set is_git_info_exclude {}
1263        proc have_info_exclude {} {
1264                global is_git_info_exclude
1265
1266                if {$is_git_info_exclude eq {}} {
1267                        if {[catch {exec test -f [gitdir info exclude]}]} {
1268                                set is_git_info_exclude 0
1269                        } else {
1270                                set is_git_info_exclude 1
1271                        }
1272                }
1273                return $is_git_info_exclude
1274        }
1275} else {
1276        proc have_info_exclude {} {
1277                return [file readable [gitdir info exclude]]
1278        }
1279}
1280
1281proc rescan_stage2 {fd after} {
1282        global rescan_active buf_rdi buf_rdf buf_rlo
1283
1284        if {$fd ne {}} {
1285                read $fd
1286                if {![eof $fd]} return
1287                close $fd
1288        }
1289
1290        set ls_others [list --exclude-per-directory=.gitignore]
1291        if {[have_info_exclude]} {
1292                lappend ls_others "--exclude-from=[gitdir info exclude]"
1293        }
1294        set user_exclude [get_config core.excludesfile]
1295        if {$user_exclude ne {} && [file readable $user_exclude]} {
1296                lappend ls_others "--exclude-from=$user_exclude"
1297        }
1298
1299        set buf_rdi {}
1300        set buf_rdf {}
1301        set buf_rlo {}
1302
1303        set rescan_active 3
1304        ui_status [mc "Scanning for modified files ..."]
1305        set fd_di [git_read diff-index --cached -z [PARENT]]
1306        set fd_df [git_read diff-files -z]
1307        set fd_lo [eval git_read ls-files --others -z $ls_others]
1308
1309        fconfigure $fd_di -blocking 0 -translation binary -encoding binary
1310        fconfigure $fd_df -blocking 0 -translation binary -encoding binary
1311        fconfigure $fd_lo -blocking 0 -translation binary -encoding binary
1312        fileevent $fd_di readable [list read_diff_index $fd_di $after]
1313        fileevent $fd_df readable [list read_diff_files $fd_df $after]
1314        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
1315}
1316
1317proc load_message {file} {
1318        global ui_comm
1319
1320        set f [gitdir $file]
1321        if {[file isfile $f]} {
1322                if {[catch {set fd [open $f r]}]} {
1323                        return 0
1324                }
1325                fconfigure $fd -eofchar {}
1326                set content [string trim [read $fd]]
1327                close $fd
1328                regsub -all -line {[ \r\t]+$} $content {} content
1329                $ui_comm delete 0.0 end
1330                $ui_comm insert end $content
1331                return 1
1332        }
1333        return 0
1334}
1335
1336proc run_prepare_commit_msg_hook {} {
1337        global pch_error
1338
1339        # prepare-commit-msg requires PREPARE_COMMIT_MSG exist.  From git-gui
1340        # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an
1341        # empty file but existant file.
1342
1343        set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a]
1344
1345        if {[file isfile [gitdir MERGE_MSG]]} {
1346                set pcm_source "merge"
1347                set fd_mm [open [gitdir MERGE_MSG] r]
1348                puts -nonewline $fd_pcm [read $fd_mm]
1349                close $fd_mm
1350        } elseif {[file isfile [gitdir SQUASH_MSG]]} {
1351                set pcm_source "squash"
1352                set fd_sm [open [gitdir SQUASH_MSG] r]
1353                puts -nonewline $fd_pcm [read $fd_sm]
1354                close $fd_sm
1355        } else {
1356                set pcm_source ""
1357        }
1358
1359        close $fd_pcm
1360
1361        set fd_ph [githook_read prepare-commit-msg \
1362                        [gitdir PREPARE_COMMIT_MSG] $pcm_source]
1363        if {$fd_ph eq {}} {
1364                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1365                return 0;
1366        }
1367
1368        ui_status [mc "Calling prepare-commit-msg hook..."]
1369        set pch_error {}
1370
1371        fconfigure $fd_ph -blocking 0 -translation binary -eofchar {}
1372        fileevent $fd_ph readable \
1373                [list prepare_commit_msg_hook_wait $fd_ph]
1374
1375        return 1;
1376}
1377
1378proc prepare_commit_msg_hook_wait {fd_ph} {
1379        global pch_error
1380
1381        append pch_error [read $fd_ph]
1382        fconfigure $fd_ph -blocking 1
1383        if {[eof $fd_ph]} {
1384                if {[catch {close $fd_ph}]} {
1385                        ui_status [mc "Commit declined by prepare-commit-msg hook."]
1386                        hook_failed_popup prepare-commit-msg $pch_error
1387                        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1388                        exit 1
1389                } else {
1390                        load_message PREPARE_COMMIT_MSG
1391                }
1392                set pch_error {}
1393                catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1394                return
1395        }
1396        fconfigure $fd_ph -blocking 0
1397        catch {file delete [gitdir PREPARE_COMMIT_MSG]}
1398}
1399
1400proc read_diff_index {fd after} {
1401        global buf_rdi
1402
1403        append buf_rdi [read $fd]
1404        set c 0
1405        set n [string length $buf_rdi]
1406        while {$c < $n} {
1407                set z1 [string first "\0" $buf_rdi $c]
1408                if {$z1 == -1} break
1409                incr z1
1410                set z2 [string first "\0" $buf_rdi $z1]
1411                if {$z2 == -1} break
1412
1413                incr c
1414                set i [split [string range $buf_rdi $c [expr {$z1 - 2}]] { }]
1415                set p [string range $buf_rdi $z1 [expr {$z2 - 1}]]
1416                merge_state \
1417                        [encoding convertfrom $p] \
1418                        [lindex $i 4]? \
1419                        [list [lindex $i 0] [lindex $i 2]] \
1420                        [list]
1421                set c $z2
1422                incr c
1423        }
1424        if {$c < $n} {
1425                set buf_rdi [string range $buf_rdi $c end]
1426        } else {
1427                set buf_rdi {}
1428        }
1429
1430        rescan_done $fd buf_rdi $after
1431}
1432
1433proc read_diff_files {fd after} {
1434        global buf_rdf
1435
1436        append buf_rdf [read $fd]
1437        set c 0
1438        set n [string length $buf_rdf]
1439        while {$c < $n} {
1440                set z1 [string first "\0" $buf_rdf $c]
1441                if {$z1 == -1} break
1442                incr z1
1443                set z2 [string first "\0" $buf_rdf $z1]
1444                if {$z2 == -1} break
1445
1446                incr c
1447                set i [split [string range $buf_rdf $c [expr {$z1 - 2}]] { }]
1448                set p [string range $buf_rdf $z1 [expr {$z2 - 1}]]
1449                merge_state \
1450                        [encoding convertfrom $p] \
1451                        ?[lindex $i 4] \
1452                        [list] \
1453                        [list [lindex $i 0] [lindex $i 2]]
1454                set c $z2
1455                incr c
1456        }
1457        if {$c < $n} {
1458                set buf_rdf [string range $buf_rdf $c end]
1459        } else {
1460                set buf_rdf {}
1461        }
1462
1463        rescan_done $fd buf_rdf $after
1464}
1465
1466proc read_ls_others {fd after} {
1467        global buf_rlo
1468
1469        append buf_rlo [read $fd]
1470        set pck [split $buf_rlo "\0"]
1471        set buf_rlo [lindex $pck end]
1472        foreach p [lrange $pck 0 end-1] {
1473                set p [encoding convertfrom $p]
1474                if {[string index $p end] eq {/}} {
1475                        set p [string range $p 0 end-1]
1476                }
1477                merge_state $p ?O
1478        }
1479        rescan_done $fd buf_rlo $after
1480}
1481
1482proc rescan_done {fd buf after} {
1483        global rescan_active current_diff_path
1484        global file_states repo_config
1485        upvar $buf to_clear
1486
1487        if {![eof $fd]} return
1488        set to_clear {}
1489        close $fd
1490        if {[incr rescan_active -1] > 0} return
1491
1492        prune_selection
1493        unlock_index
1494        display_all_files
1495        if {$current_diff_path ne {}} { reshow_diff $after }
1496        if {$current_diff_path eq {}} { select_first_diff $after }
1497}
1498
1499proc prune_selection {} {
1500        global file_states selected_paths
1501
1502        foreach path [array names selected_paths] {
1503                if {[catch {set still_here $file_states($path)}]} {
1504                        unset selected_paths($path)
1505                }
1506        }
1507}
1508
1509######################################################################
1510##
1511## ui helpers
1512
1513proc mapicon {w state path} {
1514        global all_icons
1515
1516        if {[catch {set r $all_icons($state$w)}]} {
1517                puts "error: no icon for $w state={$state} $path"
1518                return file_plain
1519        }
1520        return $r
1521}
1522
1523proc mapdesc {state path} {
1524        global all_descs
1525
1526        if {[catch {set r $all_descs($state)}]} {
1527                puts "error: no desc for state={$state} $path"
1528                return $state
1529        }
1530        return $r
1531}
1532
1533proc ui_status {msg} {
1534        global main_status
1535        if {[info exists main_status]} {
1536                $main_status show $msg
1537        }
1538}
1539
1540proc ui_ready {{test {}}} {
1541        global main_status
1542        if {[info exists main_status]} {
1543                $main_status show [mc "Ready."] $test
1544        }
1545}
1546
1547proc escape_path {path} {
1548        regsub -all {\\} $path "\\\\" path
1549        regsub -all "\n" $path "\\n" path
1550        return $path
1551}
1552
1553proc short_path {path} {
1554        return [escape_path [lindex [file split $path] end]]
1555}
1556
1557set next_icon_id 0
1558set null_sha1 [string repeat 0 40]
1559
1560proc merge_state {path new_state {head_info {}} {index_info {}}} {
1561        global file_states next_icon_id null_sha1
1562
1563        set s0 [string index $new_state 0]
1564        set s1 [string index $new_state 1]
1565
1566        if {[catch {set info $file_states($path)}]} {
1567                set state __
1568                set icon n[incr next_icon_id]
1569        } else {
1570                set state [lindex $info 0]
1571                set icon [lindex $info 1]
1572                if {$head_info eq {}}  {set head_info  [lindex $info 2]}
1573                if {$index_info eq {}} {set index_info [lindex $info 3]}
1574        }
1575
1576        if     {$s0 eq {?}} {set s0 [string index $state 0]} \
1577        elseif {$s0 eq {_}} {set s0 _}
1578
1579        if     {$s1 eq {?}} {set s1 [string index $state 1]} \
1580        elseif {$s1 eq {_}} {set s1 _}
1581
1582        if {$s0 eq {A} && $s1 eq {_} && $head_info eq {}} {
1583                set head_info [list 0 $null_sha1]
1584        } elseif {$s0 ne {_} && [string index $state 0] eq {_}
1585                && $head_info eq {}} {
1586                set head_info $index_info
1587        }
1588
1589        set file_states($path) [list $s0$s1 $icon \
1590                $head_info $index_info \
1591                ]
1592        return $state
1593}
1594
1595proc display_file_helper {w path icon_name old_m new_m} {
1596        global file_lists
1597
1598        if {$new_m eq {_}} {
1599                set lno [lsearch -sorted -exact $file_lists($w) $path]
1600                if {$lno >= 0} {
1601                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
1602                        incr lno
1603                        $w conf -state normal
1604                        $w delete $lno.0 [expr {$lno + 1}].0
1605                        $w conf -state disabled
1606                }
1607        } elseif {$old_m eq {_} && $new_m ne {_}} {
1608                lappend file_lists($w) $path
1609                set file_lists($w) [lsort -unique $file_lists($w)]
1610                set lno [lsearch -sorted -exact $file_lists($w) $path]
1611                incr lno
1612                $w conf -state normal
1613                $w image create $lno.0 \
1614                        -align center -padx 5 -pady 1 \
1615                        -name $icon_name \
1616                        -image [mapicon $w $new_m $path]
1617                $w insert $lno.1 "[escape_path $path]\n"
1618                $w conf -state disabled
1619        } elseif {$old_m ne $new_m} {
1620                $w conf -state normal
1621                $w image conf $icon_name -image [mapicon $w $new_m $path]
1622                $w conf -state disabled
1623        }
1624}
1625
1626proc display_file {path state} {
1627        global file_states selected_paths
1628        global ui_index ui_workdir
1629
1630        set old_m [merge_state $path $state]
1631        set s $file_states($path)
1632        set new_m [lindex $s 0]
1633        set icon_name [lindex $s 1]
1634
1635        set o [string index $old_m 0]
1636        set n [string index $new_m 0]
1637        if {$o eq {U}} {
1638                set o _
1639        }
1640        if {$n eq {U}} {
1641                set n _
1642        }
1643        display_file_helper     $ui_index $path $icon_name $o $n
1644
1645        if {[string index $old_m 0] eq {U}} {
1646                set o U
1647        } else {
1648                set o [string index $old_m 1]
1649        }
1650        if {[string index $new_m 0] eq {U}} {
1651                set n U
1652        } else {
1653                set n [string index $new_m 1]
1654        }
1655        display_file_helper     $ui_workdir $path $icon_name $o $n
1656
1657        if {$new_m eq {__}} {
1658                unset file_states($path)
1659                catch {unset selected_paths($path)}
1660        }
1661}
1662
1663proc display_all_files_helper {w path icon_name m} {
1664        global file_lists
1665
1666        lappend file_lists($w) $path
1667        set lno [expr {[lindex [split [$w index end] .] 0] - 1}]
1668        $w image create end \
1669                -align center -padx 5 -pady 1 \
1670                -name $icon_name \
1671                -image [mapicon $w $m $path]
1672        $w insert end "[escape_path $path]\n"
1673}
1674
1675proc display_all_files {} {
1676        global ui_index ui_workdir
1677        global file_states file_lists
1678        global last_clicked
1679
1680        $ui_index conf -state normal
1681        $ui_workdir conf -state normal
1682
1683        $ui_index delete 0.0 end
1684        $ui_workdir delete 0.0 end
1685        set last_clicked {}
1686
1687        set file_lists($ui_index) [list]
1688        set file_lists($ui_workdir) [list]
1689
1690        foreach path [lsort [array names file_states]] {
1691                set s $file_states($path)
1692                set m [lindex $s 0]
1693                set icon_name [lindex $s 1]
1694
1695                set s [string index $m 0]
1696                if {$s ne {U} && $s ne {_}} {
1697                        display_all_files_helper $ui_index $path \
1698                                $icon_name $s
1699                }
1700
1701                if {[string index $m 0] eq {U}} {
1702                        set s U
1703                } else {
1704                        set s [string index $m 1]
1705                }
1706                if {$s ne {_}} {
1707                        display_all_files_helper $ui_workdir $path \
1708                                $icon_name $s
1709                }
1710        }
1711
1712        $ui_index conf -state disabled
1713        $ui_workdir conf -state disabled
1714}
1715
1716######################################################################
1717##
1718## icons
1719
1720set filemask {
1721#define mask_width 14
1722#define mask_height 15
1723static unsigned char mask_bits[] = {
1724   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1725   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f,
1726   0xfe, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f};
1727}
1728
1729image create bitmap file_plain -background white -foreground black -data {
1730#define plain_width 14
1731#define plain_height 15
1732static unsigned char plain_bits[] = {
1733   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1734   0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10, 0x02, 0x10,
1735   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1736} -maskdata $filemask
1737
1738image create bitmap file_mod -background white -foreground blue -data {
1739#define mod_width 14
1740#define mod_height 15
1741static unsigned char mod_bits[] = {
1742   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1743   0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1744   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1745} -maskdata $filemask
1746
1747image create bitmap file_fulltick -background white -foreground "#007000" -data {
1748#define file_fulltick_width 14
1749#define file_fulltick_height 15
1750static unsigned char file_fulltick_bits[] = {
1751   0xfe, 0x01, 0x02, 0x1a, 0x02, 0x0c, 0x02, 0x0c, 0x02, 0x16, 0x02, 0x16,
1752   0x02, 0x13, 0x00, 0x13, 0x86, 0x11, 0x8c, 0x11, 0xd8, 0x10, 0xf2, 0x10,
1753   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1754} -maskdata $filemask
1755
1756image create bitmap file_parttick -background white -foreground "#005050" -data {
1757#define parttick_width 14
1758#define parttick_height 15
1759static unsigned char parttick_bits[] = {
1760   0xfe, 0x01, 0x02, 0x03, 0x7a, 0x05, 0x02, 0x09, 0x7a, 0x1f, 0x02, 0x10,
1761   0x7a, 0x14, 0x02, 0x16, 0x02, 0x13, 0x8a, 0x11, 0xda, 0x10, 0x72, 0x10,
1762   0x22, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1763} -maskdata $filemask
1764
1765image create bitmap file_question -background white -foreground black -data {
1766#define file_question_width 14
1767#define file_question_height 15
1768static unsigned char file_question_bits[] = {
1769   0xfe, 0x01, 0x02, 0x02, 0xe2, 0x04, 0xf2, 0x09, 0x1a, 0x1b, 0x0a, 0x13,
1770   0x82, 0x11, 0xc2, 0x10, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10, 0x62, 0x10,
1771   0x62, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1772} -maskdata $filemask
1773
1774image create bitmap file_removed -background white -foreground red -data {
1775#define file_removed_width 14
1776#define file_removed_height 15
1777static unsigned char file_removed_bits[] = {
1778   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x02, 0x10,
1779   0x1a, 0x16, 0x32, 0x13, 0xe2, 0x11, 0xc2, 0x10, 0xe2, 0x11, 0x32, 0x13,
1780   0x1a, 0x16, 0x02, 0x10, 0xfe, 0x1f};
1781} -maskdata $filemask
1782
1783image create bitmap file_merge -background white -foreground blue -data {
1784#define file_merge_width 14
1785#define file_merge_height 15
1786static unsigned char file_merge_bits[] = {
1787   0xfe, 0x01, 0x02, 0x03, 0x62, 0x05, 0x62, 0x09, 0x62, 0x1f, 0x62, 0x10,
1788   0xfa, 0x11, 0xf2, 0x10, 0x62, 0x10, 0x02, 0x10, 0xfa, 0x17, 0x02, 0x10,
1789   0xfa, 0x17, 0x02, 0x10, 0xfe, 0x1f};
1790} -maskdata $filemask
1791
1792image create bitmap file_statechange -background white -foreground green -data {
1793#define file_merge_width 14
1794#define file_merge_height 15
1795static unsigned char file_statechange_bits[] = {
1796   0xfe, 0x01, 0x02, 0x03, 0x02, 0x05, 0x02, 0x09, 0x02, 0x1f, 0x62, 0x10,
1797   0x62, 0x10, 0xba, 0x11, 0xba, 0x11, 0x62, 0x10, 0x62, 0x10, 0x02, 0x10,
1798   0x02, 0x10, 0x02, 0x10, 0xfe, 0x1f};
1799} -maskdata $filemask
1800
1801set ui_index .vpane.files.index.list
1802set ui_workdir .vpane.files.workdir.list
1803
1804set all_icons(_$ui_index)   file_plain
1805set all_icons(A$ui_index)   file_fulltick
1806set all_icons(M$ui_index)   file_fulltick
1807set all_icons(D$ui_index)   file_removed
1808set all_icons(U$ui_index)   file_merge
1809set all_icons(T$ui_index)   file_statechange
1810
1811set all_icons(_$ui_workdir) file_plain
1812set all_icons(M$ui_workdir) file_mod
1813set all_icons(D$ui_workdir) file_question
1814set all_icons(U$ui_workdir) file_merge
1815set all_icons(O$ui_workdir) file_plain
1816set all_icons(T$ui_workdir) file_statechange
1817
1818set max_status_desc 0
1819foreach i {
1820                {__ {mc "Unmodified"}}
1821
1822                {_M {mc "Modified, not staged"}}
1823                {M_ {mc "Staged for commit"}}
1824                {MM {mc "Portions staged for commit"}}
1825                {MD {mc "Staged for commit, missing"}}
1826
1827                {_T {mc "File type changed, not staged"}}
1828                {T_ {mc "File type changed, staged"}}
1829
1830                {_O {mc "Untracked, not staged"}}
1831                {A_ {mc "Staged for commit"}}
1832                {AM {mc "Portions staged for commit"}}
1833                {AD {mc "Staged for commit, missing"}}
1834
1835                {_D {mc "Missing"}}
1836                {D_ {mc "Staged for removal"}}
1837                {DO {mc "Staged for removal, still present"}}
1838
1839                {_U {mc "Requires merge resolution"}}
1840                {U_ {mc "Requires merge resolution"}}
1841                {UU {mc "Requires merge resolution"}}
1842                {UM {mc "Requires merge resolution"}}
1843                {UD {mc "Requires merge resolution"}}
1844                {UT {mc "Requires merge resolution"}}
1845        } {
1846        set text [eval [lindex $i 1]]
1847        if {$max_status_desc < [string length $text]} {
1848                set max_status_desc [string length $text]
1849        }
1850        set all_descs([lindex $i 0]) $text
1851}
1852unset i
1853
1854######################################################################
1855##
1856## util
1857
1858proc scrollbar2many {list mode args} {
1859        foreach w $list {eval $w $mode $args}
1860}
1861
1862proc many2scrollbar {list mode sb top bottom} {
1863        $sb set $top $bottom
1864        foreach w $list {$w $mode moveto $top}
1865}
1866
1867proc incr_font_size {font {amt 1}} {
1868        set sz [font configure $font -size]
1869        incr sz $amt
1870        font configure $font -size $sz
1871        font configure ${font}bold -size $sz
1872        font configure ${font}italic -size $sz
1873}
1874
1875######################################################################
1876##
1877## ui commands
1878
1879set starting_gitk_msg [mc "Starting gitk... please wait..."]
1880
1881proc do_gitk {revs} {
1882        # -- Always start gitk through whatever we were loaded with.  This
1883        #    lets us bypass using shell process on Windows systems.
1884        #
1885        set exe [_which gitk -script]
1886        set cmd [list [info nameofexecutable] $exe]
1887        if {$exe eq {}} {
1888                error_popup [mc "Couldn't find gitk in PATH"]
1889        } else {
1890                global env
1891
1892                if {[info exists env(GIT_DIR)]} {
1893                        set old_GIT_DIR $env(GIT_DIR)
1894                } else {
1895                        set old_GIT_DIR {}
1896                }
1897
1898                set pwd [pwd]
1899                cd [file dirname [gitdir]]
1900                set env(GIT_DIR) [file tail [gitdir]]
1901
1902                eval exec $cmd $revs &
1903
1904                if {$old_GIT_DIR eq {}} {
1905                        unset env(GIT_DIR)
1906                } else {
1907                        set env(GIT_DIR) $old_GIT_DIR
1908                }
1909                cd $pwd
1910
1911                ui_status $::starting_gitk_msg
1912                after 10000 {
1913                        ui_ready $starting_gitk_msg
1914                }
1915        }
1916}
1917
1918proc do_explore {} {
1919        set explorer {}
1920        if {[is_Cygwin] || [is_Windows]} {
1921                set explorer "explorer.exe"
1922        } elseif {[is_MacOSX]} {
1923                set explorer "open"
1924        } else {
1925                # freedesktop.org-conforming system is our best shot
1926                set explorer "xdg-open"
1927        }
1928        eval exec $explorer [file dirname [gitdir]] &
1929}
1930
1931set is_quitting 0
1932set ret_code    1
1933
1934proc terminate_me {win} {
1935        global ret_code
1936        if {$win ne {.}} return
1937        exit $ret_code
1938}
1939
1940proc do_quit {{rc {1}}} {
1941        global ui_comm is_quitting repo_config commit_type
1942        global GITGUI_BCK_exists GITGUI_BCK_i
1943        global ui_comm_spell
1944        global ret_code
1945
1946        if {$is_quitting} return
1947        set is_quitting 1
1948
1949        if {[winfo exists $ui_comm]} {
1950                # -- Stash our current commit buffer.
1951                #
1952                set save [gitdir GITGUI_MSG]
1953                if {$GITGUI_BCK_exists && ![$ui_comm edit modified]} {
1954                        file rename -force [gitdir GITGUI_BCK] $save
1955                        set GITGUI_BCK_exists 0
1956                } else {
1957                        set msg [string trim [$ui_comm get 0.0 end]]
1958                        regsub -all -line {[ \r\t]+$} $msg {} msg
1959                        if {(![string match amend* $commit_type]
1960                                || [$ui_comm edit modified])
1961                                && $msg ne {}} {
1962                                catch {
1963                                        set fd [open $save w]
1964                                        puts -nonewline $fd $msg
1965                                        close $fd
1966                                }
1967                        } else {
1968                                catch {file delete $save}
1969                        }
1970                }
1971
1972                # -- Cancel our spellchecker if its running.
1973                #
1974                if {[info exists ui_comm_spell]} {
1975                        $ui_comm_spell stop
1976                }
1977
1978                # -- Remove our editor backup, its not needed.
1979                #
1980                after cancel $GITGUI_BCK_i
1981                if {$GITGUI_BCK_exists} {
1982                        catch {file delete [gitdir GITGUI_BCK]}
1983                }
1984
1985                # -- Stash our current window geometry into this repository.
1986                #
1987                set cfg_geometry [list]
1988                lappend cfg_geometry [wm geometry .]
1989                lappend cfg_geometry [lindex [.vpane sash coord 0] 0]
1990                lappend cfg_geometry [lindex [.vpane.files sash coord 0] 1]
1991                if {[catch {set rc_geometry $repo_config(gui.geometry)}]} {
1992                        set rc_geometry {}
1993                }
1994                if {$cfg_geometry ne $rc_geometry} {
1995                        catch {git config gui.geometry $cfg_geometry}
1996                }
1997        }
1998
1999        set ret_code $rc
2000        destroy .
2001}
2002
2003proc do_rescan {} {
2004        rescan ui_ready
2005}
2006
2007proc ui_do_rescan {} {
2008        rescan {force_first_diff ui_ready}
2009}
2010
2011proc do_commit {} {
2012        commit_tree
2013}
2014
2015proc next_diff {{after {}}} {
2016        global next_diff_p next_diff_w next_diff_i
2017        show_diff $next_diff_p $next_diff_w {} {} $after
2018}
2019
2020proc find_anchor_pos {lst name} {
2021        set lid [lsearch -sorted -exact $lst $name]
2022
2023        if {$lid == -1} {
2024                set lid 0
2025                foreach lname $lst {
2026                        if {$lname >= $name} break
2027                        incr lid
2028                }
2029        }
2030
2031        return $lid
2032}
2033
2034proc find_file_from {flist idx delta path mmask} {
2035        global file_states
2036
2037        set len [llength $flist]
2038        while {$idx >= 0 && $idx < $len} {
2039                set name [lindex $flist $idx]
2040
2041                if {$name ne $path && [info exists file_states($name)]} {
2042                        set state [lindex $file_states($name) 0]
2043
2044                        if {$mmask eq {} || [regexp $mmask $state]} {
2045                                return $idx
2046                        }
2047                }
2048
2049                incr idx $delta
2050        }
2051
2052        return {}
2053}
2054
2055proc find_next_diff {w path {lno {}} {mmask {}}} {
2056        global next_diff_p next_diff_w next_diff_i
2057        global file_lists ui_index ui_workdir
2058
2059        set flist $file_lists($w)
2060        if {$lno eq {}} {
2061                set lno [find_anchor_pos $flist $path]
2062        } else {
2063                incr lno -1
2064        }
2065
2066        if {$mmask ne {} && ![regexp {(^\^)|(\$$)} $mmask]} {
2067                if {$w eq $ui_index} {
2068                        set mmask "^$mmask"
2069                } else {
2070                        set mmask "$mmask\$"
2071                }
2072        }
2073
2074        set idx [find_file_from $flist $lno 1 $path $mmask]
2075        if {$idx eq {}} {
2076                incr lno -1
2077                set idx [find_file_from $flist $lno -1 $path $mmask]
2078        }
2079
2080        if {$idx ne {}} {
2081                set next_diff_w $w
2082                set next_diff_p [lindex $flist $idx]
2083                set next_diff_i [expr {$idx+1}]
2084                return 1
2085        } else {
2086                return 0
2087        }
2088}
2089
2090proc next_diff_after_action {w path {lno {}} {mmask {}}} {
2091        global current_diff_path
2092
2093        if {$path ne $current_diff_path} {
2094                return {}
2095        } elseif {[find_next_diff $w $path $lno $mmask]} {
2096                return {next_diff;}
2097        } else {
2098                return {reshow_diff;}
2099        }
2100}
2101
2102proc select_first_diff {after} {
2103        global ui_workdir
2104
2105        if {[find_next_diff $ui_workdir {} 1 {^_?U}] ||
2106            [find_next_diff $ui_workdir {} 1 {[^O]$}]} {
2107                next_diff $after
2108        } else {
2109                uplevel #0 $after
2110        }
2111}
2112
2113proc force_first_diff {after} {
2114        global ui_workdir current_diff_path file_states
2115
2116        if {[info exists file_states($current_diff_path)]} {
2117                set state [lindex $file_states($current_diff_path) 0]
2118        } else {
2119                set state {OO}
2120        }
2121
2122        set reselect 0
2123        if {[string first {U} $state] >= 0} {
2124                # Already a conflict, do nothing
2125        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {^_?U}]} {
2126                set reselect 1
2127        } elseif {[string index $state 1] ne {O}} {
2128                # Already a diff & no conflicts, do nothing
2129        } elseif {[find_next_diff $ui_workdir $current_diff_path {} {[^O]$}]} {
2130                set reselect 1
2131        }
2132
2133        if {$reselect} {
2134                next_diff $after
2135        } else {
2136                uplevel #0 $after
2137        }
2138}
2139
2140proc toggle_or_diff {w x y} {
2141        global file_states file_lists current_diff_path ui_index ui_workdir
2142        global last_clicked selected_paths
2143
2144        set pos [split [$w index @$x,$y] .]
2145        set lno [lindex $pos 0]
2146        set col [lindex $pos 1]
2147        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2148        if {$path eq {}} {
2149                set last_clicked {}
2150                return
2151        }
2152
2153        set last_clicked [list $w $lno]
2154        array unset selected_paths
2155        $ui_index tag remove in_sel 0.0 end
2156        $ui_workdir tag remove in_sel 0.0 end
2157
2158        # Determine the state of the file
2159        if {[info exists file_states($path)]} {
2160                set state [lindex $file_states($path) 0]
2161        } else {
2162                set state {__}
2163        }
2164
2165        # Restage the file, or simply show the diff
2166        if {$col == 0 && $y > 1} {
2167                # Conflicts need special handling
2168                if {[string first {U} $state] >= 0} {
2169                        # $w must always be $ui_workdir, but...
2170                        if {$w ne $ui_workdir} { set lno {} }
2171                        merge_stage_workdir $path $lno
2172                        return
2173                }
2174
2175                if {[string index $state 1] eq {O}} {
2176                        set mmask {}
2177                } else {
2178                        set mmask {[^O]}
2179                }
2180
2181                set after [next_diff_after_action $w $path $lno $mmask]
2182
2183                if {$w eq $ui_index} {
2184                        update_indexinfo \
2185                                "Unstaging [short_path $path] from commit" \
2186                                [list $path] \
2187                                [concat $after [list ui_ready]]
2188                } elseif {$w eq $ui_workdir} {
2189                        update_index \
2190                                "Adding [short_path $path]" \
2191                                [list $path] \
2192                                [concat $after [list ui_ready]]
2193                }
2194        } else {
2195                show_diff $path $w $lno
2196        }
2197}
2198
2199proc add_one_to_selection {w x y} {
2200        global file_lists last_clicked selected_paths
2201
2202        set lno [lindex [split [$w index @$x,$y] .] 0]
2203        set path [lindex $file_lists($w) [expr {$lno - 1}]]
2204        if {$path eq {}} {
2205                set last_clicked {}
2206                return
2207        }
2208
2209        if {$last_clicked ne {}
2210                && [lindex $last_clicked 0] ne $w} {
2211                array unset selected_paths
2212                [lindex $last_clicked 0] tag remove in_sel 0.0 end
2213        }
2214
2215        set last_clicked [list $w $lno]
2216        if {[catch {set in_sel $selected_paths($path)}]} {
2217                set in_sel 0
2218        }
2219        if {$in_sel} {
2220                unset selected_paths($path)
2221                $w tag remove in_sel $lno.0 [expr {$lno + 1}].0
2222        } else {
2223                set selected_paths($path) 1
2224                $w tag add in_sel $lno.0 [expr {$lno + 1}].0
2225        }
2226}
2227
2228proc add_range_to_selection {w x y} {
2229        global file_lists last_clicked selected_paths
2230
2231        if {[lindex $last_clicked 0] ne $w} {
2232                toggle_or_diff $w $x $y
2233                return
2234        }
2235
2236        set lno [lindex [split [$w index @$x,$y] .] 0]
2237        set lc [lindex $last_clicked 1]
2238        if {$lc < $lno} {
2239                set begin $lc
2240                set end $lno
2241        } else {
2242                set begin $lno
2243                set end $lc
2244        }
2245
2246        foreach path [lrange $file_lists($w) \
2247                [expr {$begin - 1}] \
2248                [expr {$end - 1}]] {
2249                set selected_paths($path) 1
2250        }
2251        $w tag add in_sel $begin.0 [expr {$end + 1}].0
2252}
2253
2254proc show_more_context {} {
2255        global repo_config
2256        if {$repo_config(gui.diffcontext) < 99} {
2257                incr repo_config(gui.diffcontext)
2258                reshow_diff
2259        }
2260}
2261
2262proc show_less_context {} {
2263        global repo_config
2264        if {$repo_config(gui.diffcontext) > 1} {
2265                incr repo_config(gui.diffcontext) -1
2266                reshow_diff
2267        }
2268}
2269
2270######################################################################
2271##
2272## ui construction
2273
2274load_config 0
2275apply_config
2276set ui_comm {}
2277
2278# -- Menu Bar
2279#
2280menu .mbar -tearoff 0
2281.mbar add cascade -label [mc Repository] -menu .mbar.repository
2282.mbar add cascade -label [mc Edit] -menu .mbar.edit
2283if {[is_enabled branch]} {
2284        .mbar add cascade -label [mc Branch] -menu .mbar.branch
2285}
2286if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2287        .mbar add cascade -label [mc Commit@@noun] -menu .mbar.commit
2288}
2289if {[is_enabled transport]} {
2290        .mbar add cascade -label [mc Merge] -menu .mbar.merge
2291        .mbar add cascade -label [mc Remote] -menu .mbar.remote
2292}
2293if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2294        .mbar add cascade -label [mc Tools] -menu .mbar.tools
2295}
2296. configure -menu .mbar
2297
2298# -- Repository Menu
2299#
2300menu .mbar.repository
2301
2302.mbar.repository add command \
2303        -label [mc "Explore Working Copy"] \
2304        -command {do_explore}
2305.mbar.repository add separator
2306
2307.mbar.repository add command \
2308        -label [mc "Browse Current Branch's Files"] \
2309        -command {browser::new $current_branch}
2310set ui_browse_current [.mbar.repository index last]
2311.mbar.repository add command \
2312        -label [mc "Browse Branch Files..."] \
2313        -command browser_open::dialog
2314.mbar.repository add separator
2315
2316.mbar.repository add command \
2317        -label [mc "Visualize Current Branch's History"] \
2318        -command {do_gitk $current_branch}
2319set ui_visualize_current [.mbar.repository index last]
2320.mbar.repository add command \
2321        -label [mc "Visualize All Branch History"] \
2322        -command {do_gitk --all}
2323.mbar.repository add separator
2324
2325proc current_branch_write {args} {
2326        global current_branch
2327        .mbar.repository entryconf $::ui_browse_current \
2328                -label [mc "Browse %s's Files" $current_branch]
2329        .mbar.repository entryconf $::ui_visualize_current \
2330                -label [mc "Visualize %s's History" $current_branch]
2331}
2332trace add variable current_branch write current_branch_write
2333
2334if {[is_enabled multicommit]} {
2335        .mbar.repository add command -label [mc "Database Statistics"] \
2336                -command do_stats
2337
2338        .mbar.repository add command -label [mc "Compress Database"] \
2339                -command do_gc
2340
2341        .mbar.repository add command -label [mc "Verify Database"] \
2342                -command do_fsck_objects
2343
2344        .mbar.repository add separator
2345
2346        if {[is_Cygwin]} {
2347                .mbar.repository add command \
2348                        -label [mc "Create Desktop Icon"] \
2349                        -command do_cygwin_shortcut
2350        } elseif {[is_Windows]} {
2351                .mbar.repository add command \
2352                        -label [mc "Create Desktop Icon"] \
2353                        -command do_windows_shortcut
2354        } elseif {[is_MacOSX]} {
2355                .mbar.repository add command \
2356                        -label [mc "Create Desktop Icon"] \
2357                        -command do_macosx_app
2358        }
2359}
2360
2361if {[is_MacOSX]} {
2362        proc ::tk::mac::Quit {args} { do_quit }
2363} else {
2364        .mbar.repository add command -label [mc Quit] \
2365                -command do_quit \
2366                -accelerator $M1T-Q
2367}
2368
2369# -- Edit Menu
2370#
2371menu .mbar.edit
2372.mbar.edit add command -label [mc Undo] \
2373        -command {catch {[focus] edit undo}} \
2374        -accelerator $M1T-Z
2375.mbar.edit add command -label [mc Redo] \
2376        -command {catch {[focus] edit redo}} \
2377        -accelerator $M1T-Y
2378.mbar.edit add separator
2379.mbar.edit add command -label [mc Cut] \
2380        -command {catch {tk_textCut [focus]}} \
2381        -accelerator $M1T-X
2382.mbar.edit add command -label [mc Copy] \
2383        -command {catch {tk_textCopy [focus]}} \
2384        -accelerator $M1T-C
2385.mbar.edit add command -label [mc Paste] \
2386        -command {catch {tk_textPaste [focus]; [focus] see insert}} \
2387        -accelerator $M1T-V
2388.mbar.edit add command -label [mc Delete] \
2389        -command {catch {[focus] delete sel.first sel.last}} \
2390        -accelerator Del
2391.mbar.edit add separator
2392.mbar.edit add command -label [mc "Select All"] \
2393        -command {catch {[focus] tag add sel 0.0 end}} \
2394        -accelerator $M1T-A
2395
2396# -- Branch Menu
2397#
2398if {[is_enabled branch]} {
2399        menu .mbar.branch
2400
2401        .mbar.branch add command -label [mc "Create..."] \
2402                -command branch_create::dialog \
2403                -accelerator $M1T-N
2404        lappend disable_on_lock [list .mbar.branch entryconf \
2405                [.mbar.branch index last] -state]
2406
2407        .mbar.branch add command -label [mc "Checkout..."] \
2408                -command branch_checkout::dialog \
2409                -accelerator $M1T-O
2410        lappend disable_on_lock [list .mbar.branch entryconf \
2411                [.mbar.branch index last] -state]
2412
2413        .mbar.branch add command -label [mc "Rename..."] \
2414                -command branch_rename::dialog
2415        lappend disable_on_lock [list .mbar.branch entryconf \
2416                [.mbar.branch index last] -state]
2417
2418        .mbar.branch add command -label [mc "Delete..."] \
2419                -command branch_delete::dialog
2420        lappend disable_on_lock [list .mbar.branch entryconf \
2421                [.mbar.branch index last] -state]
2422
2423        .mbar.branch add command -label [mc "Reset..."] \
2424                -command merge::reset_hard
2425        lappend disable_on_lock [list .mbar.branch entryconf \
2426                [.mbar.branch index last] -state]
2427}
2428
2429# -- Commit Menu
2430#
2431proc commit_btn_caption {} {
2432        if {[is_enabled nocommit]} {
2433                return [mc "Done"]
2434        } else {
2435                return [mc Commit@@verb]
2436        }
2437}
2438
2439if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2440        menu .mbar.commit
2441
2442        if {![is_enabled nocommit]} {
2443                .mbar.commit add radiobutton \
2444                        -label [mc "New Commit"] \
2445                        -command do_select_commit_type \
2446                        -variable selected_commit_type \
2447                        -value new
2448                lappend disable_on_lock \
2449                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2450
2451                .mbar.commit add radiobutton \
2452                        -label [mc "Amend Last Commit"] \
2453                        -command do_select_commit_type \
2454                        -variable selected_commit_type \
2455                        -value amend
2456                lappend disable_on_lock \
2457                        [list .mbar.commit entryconf [.mbar.commit index last] -state]
2458
2459                .mbar.commit add separator
2460        }
2461
2462        .mbar.commit add command -label [mc Rescan] \
2463                -command ui_do_rescan \
2464                -accelerator F5
2465        lappend disable_on_lock \
2466                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2467
2468        .mbar.commit add command -label [mc "Stage To Commit"] \
2469                -command do_add_selection \
2470                -accelerator $M1T-T
2471        lappend disable_on_lock \
2472                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2473
2474        .mbar.commit add command -label [mc "Stage Changed Files To Commit"] \
2475                -command do_add_all \
2476                -accelerator $M1T-I
2477        lappend disable_on_lock \
2478                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2479
2480        .mbar.commit add command -label [mc "Unstage From Commit"] \
2481                -command do_unstage_selection
2482        lappend disable_on_lock \
2483                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2484
2485        .mbar.commit add command -label [mc "Revert Changes"] \
2486                -command do_revert_selection
2487        lappend disable_on_lock \
2488                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2489
2490        .mbar.commit add separator
2491
2492        .mbar.commit add command -label [mc "Show Less Context"] \
2493                -command show_less_context \
2494                -accelerator $M1T-\-
2495
2496        .mbar.commit add command -label [mc "Show More Context"] \
2497                -command show_more_context \
2498                -accelerator $M1T-=
2499
2500        .mbar.commit add separator
2501
2502        if {![is_enabled nocommitmsg]} {
2503                .mbar.commit add command -label [mc "Sign Off"] \
2504                        -command do_signoff \
2505                        -accelerator $M1T-S
2506        }
2507
2508        .mbar.commit add command -label [commit_btn_caption] \
2509                -command do_commit \
2510                -accelerator $M1T-Return
2511        lappend disable_on_lock \
2512                [list .mbar.commit entryconf [.mbar.commit index last] -state]
2513}
2514
2515# -- Merge Menu
2516#
2517if {[is_enabled branch]} {
2518        menu .mbar.merge
2519        .mbar.merge add command -label [mc "Local Merge..."] \
2520                -command merge::dialog \
2521                -accelerator $M1T-M
2522        lappend disable_on_lock \
2523                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2524        .mbar.merge add command -label [mc "Abort Merge..."] \
2525                -command merge::reset_hard
2526        lappend disable_on_lock \
2527                [list .mbar.merge entryconf [.mbar.merge index last] -state]
2528}
2529
2530# -- Transport Menu
2531#
2532if {[is_enabled transport]} {
2533        menu .mbar.remote
2534
2535        .mbar.remote add command \
2536                -label [mc "Add..."] \
2537                -command remote_add::dialog \
2538                -accelerator $M1T-A
2539        .mbar.remote add command \
2540                -label [mc "Push..."] \
2541                -command do_push_anywhere \
2542                -accelerator $M1T-P
2543        .mbar.remote add command \
2544                -label [mc "Delete Branch..."] \
2545                -command remote_branch_delete::dialog
2546}
2547
2548if {[is_MacOSX]} {
2549        # -- Apple Menu (Mac OS X only)
2550        #
2551        .mbar add cascade -label Apple -menu .mbar.apple
2552        menu .mbar.apple
2553
2554        .mbar.apple add command -label [mc "About %s" [appname]] \
2555                -command do_about
2556        .mbar.apple add separator
2557        .mbar.apple add command \
2558                -label [mc "Preferences..."] \
2559                -command do_options \
2560                -accelerator $M1T-,
2561        bind . <$M1B-,> do_options
2562} else {
2563        # -- Edit Menu
2564        #
2565        .mbar.edit add separator
2566        .mbar.edit add command -label [mc "Options..."] \
2567                -command do_options
2568}
2569
2570# -- Tools Menu
2571#
2572if {[is_enabled multicommit] || [is_enabled singlecommit]} {
2573        set tools_menubar .mbar.tools
2574        menu $tools_menubar
2575        $tools_menubar add separator
2576        $tools_menubar add command -label [mc "Add..."] -command tools_add::dialog
2577        $tools_menubar add command -label [mc "Remove..."] -command tools_remove::dialog
2578        set tools_tailcnt 3
2579        if {[array names repo_config guitool.*.cmd] ne {}} {
2580                tools_populate_all
2581        }
2582}
2583
2584# -- Help Menu
2585#
2586.mbar add cascade -label [mc Help] -menu .mbar.help
2587menu .mbar.help
2588
2589if {![is_MacOSX]} {
2590        .mbar.help add command -label [mc "About %s" [appname]] \
2591                -command do_about
2592}
2593
2594
2595set doc_path [file dirname [gitexec]]
2596set doc_path [file join $doc_path Documentation index.html]
2597
2598if {[is_Cygwin]} {
2599        set doc_path [exec cygpath --mixed $doc_path]
2600}
2601
2602if {[file isfile $doc_path]} {
2603        set doc_url "file:$doc_path"
2604} else {
2605        set doc_url {http://www.kernel.org/pub/software/scm/git/docs/}
2606}
2607
2608proc start_browser {url} {
2609        git "web--browse" $url
2610}
2611
2612.mbar.help add command -label [mc "Online Documentation"] \
2613        -command [list start_browser $doc_url]
2614
2615.mbar.help add command -label [mc "Show SSH Key"] \
2616        -command do_ssh_key
2617
2618unset doc_path doc_url
2619
2620# -- Standard bindings
2621#
2622wm protocol . WM_DELETE_WINDOW do_quit
2623bind all <$M1B-Key-q> do_quit
2624bind all <$M1B-Key-Q> do_quit
2625bind all <$M1B-Key-w> {destroy [winfo toplevel %W]}
2626bind all <$M1B-Key-W> {destroy [winfo toplevel %W]}
2627
2628set subcommand_args {}
2629proc usage {} {
2630        puts stderr "usage: $::argv0 $::subcommand $::subcommand_args"
2631        exit 1
2632}
2633
2634proc normalize_relpath {path} {
2635        set elements {}
2636        foreach item [file split $path] {
2637                if {$item eq {.}} continue
2638                if {$item eq {..} && [llength $elements] > 0
2639                    && [lindex $elements end] ne {..}} {
2640                        set elements [lrange $elements 0 end-1]
2641                        continue
2642                }
2643                lappend elements $item
2644        }
2645        return [eval file join $elements]
2646}
2647
2648# -- Not a normal commit type invocation?  Do that instead!
2649#
2650switch -- $subcommand {
2651browser -
2652blame {
2653        if {$subcommand eq "blame"} {
2654                set subcommand_args {[--line=<num>] rev? path}
2655        } else {
2656                set subcommand_args {rev? path}
2657        }
2658        if {$argv eq {}} usage
2659        set head {}
2660        set path {}
2661        set jump_spec {}
2662        set is_path 0
2663        foreach a $argv {
2664                if {$is_path || [file exists $_prefix$a]} {
2665                        if {$path ne {}} usage
2666                        set path [normalize_relpath $_prefix$a]
2667                        break
2668                } elseif {$a eq {--}} {
2669                        if {$path ne {}} {
2670                                if {$head ne {}} usage
2671                                set head $path
2672                                set path {}
2673                        }
2674                        set is_path 1
2675                } elseif {[regexp {^--line=(\d+)$} $a a lnum]} {
2676                        if {$jump_spec ne {} || $head ne {}} usage
2677                        set jump_spec [list $lnum]
2678                } elseif {$head eq {}} {
2679                        if {$head ne {}} usage
2680                        set head $a
2681                        set is_path 1
2682                } else {
2683                        usage
2684                }
2685        }
2686        unset is_path
2687
2688        if {$head ne {} && $path eq {}} {
2689                set path [normalize_relpath $_prefix$head]
2690                set head {}
2691        }
2692
2693        if {$head eq {}} {
2694                load_current_branch
2695        } else {
2696                if {[regexp {^[0-9a-f]{1,39}$} $head]} {
2697                        if {[catch {
2698                                        set head [git rev-parse --verify $head]
2699                                } err]} {
2700                                puts stderr $err
2701                                exit 1
2702                        }
2703                }
2704                set current_branch $head
2705        }
2706
2707        switch -- $subcommand {
2708        browser {
2709                if {$jump_spec ne {}} usage
2710                if {$head eq {}} {
2711                        if {$path ne {} && [file isdirectory $path]} {
2712                                set head $current_branch
2713                        } else {
2714                                set head $path
2715                                set path {}
2716                        }
2717                }
2718                browser::new $head $path
2719        }
2720        blame   {
2721                if {$head eq {} && ![file exists $path]} {
2722                        puts stderr [mc "fatal: cannot stat path %s: No such file or directory" $path]
2723                        exit 1
2724                }
2725                blame::new $head $path $jump_spec
2726        }
2727        }
2728        return
2729}
2730citool -
2731gui {
2732        if {[llength $argv] != 0} {
2733                puts -nonewline stderr "usage: $argv0"
2734                if {$subcommand ne {gui}
2735                        && [file tail $argv0] ne "git-$subcommand"} {
2736                        puts -nonewline stderr " $subcommand"
2737                }
2738                puts stderr {}
2739                exit 1
2740        }
2741        # fall through to setup UI for commits
2742}
2743default {
2744        puts stderr "usage: $argv0 \[{blame|browser|citool}\]"
2745        exit 1
2746}
2747}
2748
2749# -- Branch Control
2750#
2751frame .branch \
2752        -borderwidth 1 \
2753        -relief sunken
2754label .branch.l1 \
2755        -text [mc "Current Branch:"] \
2756        -anchor w \
2757        -justify left
2758label .branch.cb \
2759        -textvariable current_branch \
2760        -anchor w \
2761        -justify left
2762pack .branch.l1 -side left
2763pack .branch.cb -side left -fill x
2764pack .branch -side top -fill x
2765
2766# -- Main Window Layout
2767#
2768panedwindow .vpane -orient horizontal
2769panedwindow .vpane.files -orient vertical
2770.vpane add .vpane.files -sticky nsew -height 100 -width 200
2771pack .vpane -anchor n -side top -fill both -expand 1
2772
2773# -- Index File List
2774#
2775frame .vpane.files.index -height 100 -width 200
2776label .vpane.files.index.title -text [mc "Staged Changes (Will Commit)"] \
2777        -background lightgreen -foreground black
2778text $ui_index -background white -foreground black \
2779        -borderwidth 0 \
2780        -width 20 -height 10 \
2781        -wrap none \
2782        -cursor $cursor_ptr \
2783        -xscrollcommand {.vpane.files.index.sx set} \
2784        -yscrollcommand {.vpane.files.index.sy set} \
2785        -state disabled
2786scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
2787scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
2788pack .vpane.files.index.title -side top -fill x
2789pack .vpane.files.index.sx -side bottom -fill x
2790pack .vpane.files.index.sy -side right -fill y
2791pack $ui_index -side left -fill both -expand 1
2792
2793# -- Working Directory File List
2794#
2795frame .vpane.files.workdir -height 100 -width 200
2796label .vpane.files.workdir.title -text [mc "Unstaged Changes"] \
2797        -background lightsalmon -foreground black
2798text $ui_workdir -background white -foreground black \
2799        -borderwidth 0 \
2800        -width 20 -height 10 \
2801        -wrap none \
2802        -cursor $cursor_ptr \
2803        -xscrollcommand {.vpane.files.workdir.sx set} \
2804        -yscrollcommand {.vpane.files.workdir.sy set} \
2805        -state disabled
2806scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
2807scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
2808pack .vpane.files.workdir.title -side top -fill x
2809pack .vpane.files.workdir.sx -side bottom -fill x
2810pack .vpane.files.workdir.sy -side right -fill y
2811pack $ui_workdir -side left -fill both -expand 1
2812
2813.vpane.files add .vpane.files.workdir -sticky nsew
2814.vpane.files add .vpane.files.index -sticky nsew
2815
2816foreach i [list $ui_index $ui_workdir] {
2817        rmsel_tag $i
2818        $i tag conf in_diff -background [$i tag cget in_sel -background]
2819}
2820unset i
2821
2822# -- Diff and Commit Area
2823#
2824frame .vpane.lower -height 300 -width 400
2825frame .vpane.lower.commarea
2826frame .vpane.lower.diff -relief sunken -borderwidth 1
2827pack .vpane.lower.diff -fill both -expand 1
2828pack .vpane.lower.commarea -side bottom -fill x
2829.vpane add .vpane.lower -sticky nsew
2830
2831# -- Commit Area Buttons
2832#
2833frame .vpane.lower.commarea.buttons
2834label .vpane.lower.commarea.buttons.l -text {} \
2835        -anchor w \
2836        -justify left
2837pack .vpane.lower.commarea.buttons.l -side top -fill x
2838pack .vpane.lower.commarea.buttons -side left -fill y
2839
2840button .vpane.lower.commarea.buttons.rescan -text [mc Rescan] \
2841        -command ui_do_rescan
2842pack .vpane.lower.commarea.buttons.rescan -side top -fill x
2843lappend disable_on_lock \
2844        {.vpane.lower.commarea.buttons.rescan conf -state}
2845
2846button .vpane.lower.commarea.buttons.incall -text [mc "Stage Changed"] \
2847        -command do_add_all
2848pack .vpane.lower.commarea.buttons.incall -side top -fill x
2849lappend disable_on_lock \
2850        {.vpane.lower.commarea.buttons.incall conf -state}
2851
2852if {![is_enabled nocommitmsg]} {
2853        button .vpane.lower.commarea.buttons.signoff -text [mc "Sign Off"] \
2854                -command do_signoff
2855        pack .vpane.lower.commarea.buttons.signoff -side top -fill x
2856}
2857
2858button .vpane.lower.commarea.buttons.commit -text [commit_btn_caption] \
2859        -command do_commit
2860pack .vpane.lower.commarea.buttons.commit -side top -fill x
2861lappend disable_on_lock \
2862        {.vpane.lower.commarea.buttons.commit conf -state}
2863
2864if {![is_enabled nocommit]} {
2865        button .vpane.lower.commarea.buttons.push -text [mc Push] \
2866                -command do_push_anywhere
2867        pack .vpane.lower.commarea.buttons.push -side top -fill x
2868}
2869
2870# -- Commit Message Buffer
2871#
2872frame .vpane.lower.commarea.buffer
2873frame .vpane.lower.commarea.buffer.header
2874set ui_comm .vpane.lower.commarea.buffer.t
2875set ui_coml .vpane.lower.commarea.buffer.header.l
2876
2877if {![is_enabled nocommit]} {
2878        radiobutton .vpane.lower.commarea.buffer.header.new \
2879                -text [mc "New Commit"] \
2880                -command do_select_commit_type \
2881                -variable selected_commit_type \
2882                -value new
2883        lappend disable_on_lock \
2884                [list .vpane.lower.commarea.buffer.header.new conf -state]
2885        radiobutton .vpane.lower.commarea.buffer.header.amend \
2886                -text [mc "Amend Last Commit"] \
2887                -command do_select_commit_type \
2888                -variable selected_commit_type \
2889                -value amend
2890        lappend disable_on_lock \
2891                [list .vpane.lower.commarea.buffer.header.amend conf -state]
2892}
2893
2894label $ui_coml \
2895        -anchor w \
2896        -justify left
2897proc trace_commit_type {varname args} {
2898        global ui_coml commit_type
2899        switch -glob -- $commit_type {
2900        initial       {set txt [mc "Initial Commit Message:"]}
2901        amend         {set txt [mc "Amended Commit Message:"]}
2902        amend-initial {set txt [mc "Amended Initial Commit Message:"]}
2903        amend-merge   {set txt [mc "Amended Merge Commit Message:"]}
2904        merge         {set txt [mc "Merge Commit Message:"]}
2905        *             {set txt [mc "Commit Message:"]}
2906        }
2907        $ui_coml conf -text $txt
2908}
2909trace add variable commit_type write trace_commit_type
2910pack $ui_coml -side left -fill x
2911
2912if {![is_enabled nocommit]} {
2913        pack .vpane.lower.commarea.buffer.header.amend -side right
2914        pack .vpane.lower.commarea.buffer.header.new -side right
2915}
2916
2917text $ui_comm -background white -foreground black \
2918        -borderwidth 1 \
2919        -undo true \
2920        -maxundo 20 \
2921        -autoseparators true \
2922        -relief sunken \
2923        -width $repo_config(gui.commitmsgwidth) -height 9 -wrap none \
2924        -font font_diff \
2925        -yscrollcommand {.vpane.lower.commarea.buffer.sby set}
2926scrollbar .vpane.lower.commarea.buffer.sby \
2927        -command [list $ui_comm yview]
2928pack .vpane.lower.commarea.buffer.header -side top -fill x
2929pack .vpane.lower.commarea.buffer.sby -side right -fill y
2930pack $ui_comm -side left -fill y
2931pack .vpane.lower.commarea.buffer -side left -fill y
2932
2933# -- Commit Message Buffer Context Menu
2934#
2935set ctxm .vpane.lower.commarea.buffer.ctxm
2936menu $ctxm -tearoff 0
2937$ctxm add command \
2938        -label [mc Cut] \
2939        -command {tk_textCut $ui_comm}
2940$ctxm add command \
2941        -label [mc Copy] \
2942        -command {tk_textCopy $ui_comm}
2943$ctxm add command \
2944        -label [mc Paste] \
2945        -command {tk_textPaste $ui_comm}
2946$ctxm add command \
2947        -label [mc Delete] \
2948        -command {catch {$ui_comm delete sel.first sel.last}}
2949$ctxm add separator
2950$ctxm add command \
2951        -label [mc "Select All"] \
2952        -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
2953$ctxm add command \
2954        -label [mc "Copy All"] \
2955        -command {
2956                $ui_comm tag add sel 0.0 end
2957                tk_textCopy $ui_comm
2958                $ui_comm tag remove sel 0.0 end
2959        }
2960$ctxm add separator
2961$ctxm add command \
2962        -label [mc "Sign Off"] \
2963        -command do_signoff
2964set ui_comm_ctxm $ctxm
2965
2966# -- Diff Header
2967#
2968proc trace_current_diff_path {varname args} {
2969        global current_diff_path diff_actions file_states
2970        if {$current_diff_path eq {}} {
2971                set s {}
2972                set f {}
2973                set p {}
2974                set o disabled
2975        } else {
2976                set p $current_diff_path
2977                set s [mapdesc [lindex $file_states($p) 0] $p]
2978                set f [mc "File:"]
2979                set p [escape_path $p]
2980                set o normal
2981        }
2982
2983        .vpane.lower.diff.header.status configure -text $s
2984        .vpane.lower.diff.header.file configure -text $f
2985        .vpane.lower.diff.header.path configure -text $p
2986        foreach w $diff_actions {
2987                uplevel #0 $w $o
2988        }
2989}
2990trace add variable current_diff_path write trace_current_diff_path
2991
2992frame .vpane.lower.diff.header -background gold
2993label .vpane.lower.diff.header.status \
2994        -background gold \
2995        -foreground black \
2996        -width $max_status_desc \
2997        -anchor w \
2998        -justify left
2999label .vpane.lower.diff.header.file \
3000        -background gold \
3001        -foreground black \
3002        -anchor w \
3003        -justify left
3004label .vpane.lower.diff.header.path \
3005        -background gold \
3006        -foreground black \
3007        -anchor w \
3008        -justify left
3009pack .vpane.lower.diff.header.status -side left
3010pack .vpane.lower.diff.header.file -side left
3011pack .vpane.lower.diff.header.path -fill x
3012set ctxm .vpane.lower.diff.header.ctxm
3013menu $ctxm -tearoff 0
3014$ctxm add command \
3015        -label [mc Copy] \
3016        -command {
3017                clipboard clear
3018                clipboard append \
3019                        -format STRING \
3020                        -type STRING \
3021                        -- $current_diff_path
3022        }
3023lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3024bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
3025
3026# -- Diff Body
3027#
3028frame .vpane.lower.diff.body
3029set ui_diff .vpane.lower.diff.body.t
3030text $ui_diff -background white -foreground black \
3031        -borderwidth 0 \
3032        -width 80 -height 15 -wrap none \
3033        -font font_diff \
3034        -xscrollcommand {.vpane.lower.diff.body.sbx set} \
3035        -yscrollcommand {.vpane.lower.diff.body.sby set} \
3036        -state disabled
3037scrollbar .vpane.lower.diff.body.sbx -orient horizontal \
3038        -command [list $ui_diff xview]
3039scrollbar .vpane.lower.diff.body.sby -orient vertical \
3040        -command [list $ui_diff yview]
3041pack .vpane.lower.diff.body.sbx -side bottom -fill x
3042pack .vpane.lower.diff.body.sby -side right -fill y
3043pack $ui_diff -side left -fill both -expand 1
3044pack .vpane.lower.diff.header -side top -fill x
3045pack .vpane.lower.diff.body -side bottom -fill both -expand 1
3046
3047$ui_diff tag conf d_cr -elide true
3048$ui_diff tag conf d_@ -foreground blue -font font_diffbold
3049$ui_diff tag conf d_+ -foreground {#00a000}
3050$ui_diff tag conf d_- -foreground red
3051
3052$ui_diff tag conf d_++ -foreground {#00a000}
3053$ui_diff tag conf d_-- -foreground red
3054$ui_diff tag conf d_+s \
3055        -foreground {#00a000} \
3056        -background {#e2effa}
3057$ui_diff tag conf d_-s \
3058        -foreground red \
3059        -background {#e2effa}
3060$ui_diff tag conf d_s+ \
3061        -foreground {#00a000} \
3062        -background ivory1
3063$ui_diff tag conf d_s- \
3064        -foreground red \
3065        -background ivory1
3066
3067$ui_diff tag conf d<<<<<<< \
3068        -foreground orange \
3069        -font font_diffbold
3070$ui_diff tag conf d======= \
3071        -foreground orange \
3072        -font font_diffbold
3073$ui_diff tag conf d>>>>>>> \
3074        -foreground orange \
3075        -font font_diffbold
3076
3077$ui_diff tag raise sel
3078
3079# -- Diff Body Context Menu
3080#
3081
3082proc create_common_diff_popup {ctxm} {
3083        $ctxm add command \
3084                -label [mc "Show Less Context"] \
3085                -command show_less_context
3086        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3087        $ctxm add command \
3088                -label [mc "Show More Context"] \
3089                -command show_more_context
3090        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3091        $ctxm add separator
3092        $ctxm add command \
3093                -label [mc Refresh] \
3094                -command reshow_diff
3095        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3096        $ctxm add command \
3097                -label [mc Copy] \
3098                -command {tk_textCopy $ui_diff}
3099        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3100        $ctxm add command \
3101                -label [mc "Select All"] \
3102                -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
3103        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3104        $ctxm add command \
3105                -label [mc "Copy All"] \
3106                -command {
3107                        $ui_diff tag add sel 0.0 end
3108                        tk_textCopy $ui_diff
3109                        $ui_diff tag remove sel 0.0 end
3110                }
3111        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3112        $ctxm add separator
3113        $ctxm add command \
3114                -label [mc "Decrease Font Size"] \
3115                -command {incr_font_size font_diff -1}
3116        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3117        $ctxm add command \
3118                -label [mc "Increase Font Size"] \
3119                -command {incr_font_size font_diff 1}
3120        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3121        $ctxm add separator
3122        set emenu $ctxm.enc
3123        menu $emenu
3124        build_encoding_menu $emenu [list force_diff_encoding]
3125        $ctxm add cascade \
3126                -label [mc "Encoding"] \
3127                -menu $emenu
3128        lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
3129        $ctxm add separator
3130        $ctxm add command -label [mc "Options..."] \
3131                -command do_options
3132}
3133
3134set ctxm .vpane.lower.diff.body.ctxm
3135menu $ctxm -tearoff 0
3136$ctxm add command \
3137        -label [mc "Apply/Reverse Hunk"] \
3138        -command {apply_hunk $cursorX $cursorY}
3139set ui_diff_applyhunk [$ctxm index last]
3140lappend diff_actions [list $ctxm entryconf $ui_diff_applyhunk -state]
3141$ctxm add command \
3142        -label [mc "Apply/Reverse Line"] \
3143        -command {apply_line $cursorX $cursorY; do_rescan}
3144set ui_diff_applyline [$ctxm index last]
3145lappend diff_actions [list $ctxm entryconf $ui_diff_applyline -state]
3146$ctxm add separator
3147create_common_diff_popup $ctxm
3148
3149set ctxmmg .vpane.lower.diff.body.ctxmmg
3150menu $ctxmmg -tearoff 0
3151$ctxmmg add command \
3152        -label [mc "Run Merge Tool"] \
3153        -command {merge_resolve_tool}
3154lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3155$ctxmmg add separator
3156$ctxmmg add command \
3157        -label [mc "Use Remote Version"] \
3158        -command {merge_resolve_one 3}
3159lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3160$ctxmmg add command \
3161        -label [mc "Use Local Version"] \
3162        -command {merge_resolve_one 2}
3163lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3164$ctxmmg add command \
3165        -label [mc "Revert To Base"] \
3166        -command {merge_resolve_one 1}
3167lappend diff_actions [list $ctxmmg entryconf [$ctxmmg index last] -state]
3168$ctxmmg add separator
3169create_common_diff_popup $ctxmmg
3170
3171proc popup_diff_menu {ctxm ctxmmg x y X Y} {
3172        global current_diff_path file_states
3173        set ::cursorX $x
3174        set ::cursorY $y
3175        if {[info exists file_states($current_diff_path)]} {
3176                set state [lindex $file_states($current_diff_path) 0]
3177        } else {
3178                set state {__}
3179        }
3180        if {[string first {U} $state] >= 0} {
3181                tk_popup $ctxmmg $X $Y
3182        } else {
3183                if {$::ui_index eq $::current_diff_side} {
3184                        set l [mc "Unstage Hunk From Commit"]
3185                        set t [mc "Unstage Line From Commit"]
3186                } else {
3187                        set l [mc "Stage Hunk For Commit"]
3188                        set t [mc "Stage Line For Commit"]
3189                }
3190                if {$::is_3way_diff
3191                        || $current_diff_path eq {}
3192                        || {__} eq $state
3193                        || {_O} eq $state
3194                        || {_T} eq $state
3195                        || {T_} eq $state} {
3196                        set s disabled
3197                } else {
3198                        set s normal
3199                }
3200                $ctxm entryconf $::ui_diff_applyhunk -state $s -label $l
3201                $ctxm entryconf $::ui_diff_applyline -state $s -label $t
3202                tk_popup $ctxm $X $Y
3203        }
3204}
3205bind_button3 $ui_diff [list popup_diff_menu $ctxm $ctxmmg %x %y %X %Y]
3206
3207# -- Status Bar
3208#
3209set main_status [::status_bar::new .status]
3210pack .status -anchor w -side bottom -fill x
3211$main_status show [mc "Initializing..."]
3212
3213# -- Load geometry
3214#
3215catch {
3216set gm $repo_config(gui.geometry)
3217wm geometry . [lindex $gm 0]
3218.vpane sash place 0 \
3219        [lindex $gm 1] \
3220        [lindex [.vpane sash coord 0] 1]
3221.vpane.files sash place 0 \
3222        [lindex [.vpane.files sash coord 0] 0] \
3223        [lindex $gm 2]
3224unset gm
3225}
3226
3227# -- Key Bindings
3228#
3229bind $ui_comm <$M1B-Key-Return> {do_commit;break}
3230bind $ui_comm <$M1B-Key-t> {do_add_selection;break}
3231bind $ui_comm <$M1B-Key-T> {do_add_selection;break}
3232bind $ui_comm <$M1B-Key-i> {do_add_all;break}
3233bind $ui_comm <$M1B-Key-I> {do_add_all;break}
3234bind $ui_comm <$M1B-Key-x> {tk_textCut %W;break}
3235bind $ui_comm <$M1B-Key-X> {tk_textCut %W;break}
3236bind $ui_comm <$M1B-Key-c> {tk_textCopy %W;break}
3237bind $ui_comm <$M1B-Key-C> {tk_textCopy %W;break}
3238bind $ui_comm <$M1B-Key-v> {tk_textPaste %W; %W see insert; break}
3239bind $ui_comm <$M1B-Key-V> {tk_textPaste %W; %W see insert; break}
3240bind $ui_comm <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3241bind $ui_comm <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3242bind $ui_comm <$M1B-Key-minus> {show_less_context;break}
3243bind $ui_comm <$M1B-Key-KP_Subtract> {show_less_context;break}
3244bind $ui_comm <$M1B-Key-equal> {show_more_context;break}
3245bind $ui_comm <$M1B-Key-plus> {show_more_context;break}
3246bind $ui_comm <$M1B-Key-KP_Add> {show_more_context;break}
3247
3248bind $ui_diff <$M1B-Key-x> {tk_textCopy %W;break}
3249bind $ui_diff <$M1B-Key-X> {tk_textCopy %W;break}
3250bind $ui_diff <$M1B-Key-c> {tk_textCopy %W;break}
3251bind $ui_diff <$M1B-Key-C> {tk_textCopy %W;break}
3252bind $ui_diff <$M1B-Key-v> {break}
3253bind $ui_diff <$M1B-Key-V> {break}
3254bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
3255bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
3256bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
3257bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
3258bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
3259bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
3260bind $ui_diff <Key-k>         {catch {%W yview scroll -1 units};break}
3261bind $ui_diff <Key-j>         {catch {%W yview scroll  1 units};break}
3262bind $ui_diff <Key-h>         {catch {%W xview scroll -1 units};break}
3263bind $ui_diff <Key-l>         {catch {%W xview scroll  1 units};break}
3264bind $ui_diff <Control-Key-b> {catch {%W yview scroll -1 pages};break}
3265bind $ui_diff <Control-Key-f> {catch {%W yview scroll  1 pages};break}
3266bind $ui_diff <Button-1>   {focus %W}
3267
3268if {[is_enabled branch]} {
3269        bind . <$M1B-Key-n> branch_create::dialog
3270        bind . <$M1B-Key-N> branch_create::dialog
3271        bind . <$M1B-Key-o> branch_checkout::dialog
3272        bind . <$M1B-Key-O> branch_checkout::dialog
3273        bind . <$M1B-Key-m> merge::dialog
3274        bind . <$M1B-Key-M> merge::dialog
3275}
3276if {[is_enabled transport]} {
3277        bind . <$M1B-Key-p> do_push_anywhere
3278        bind . <$M1B-Key-P> do_push_anywhere
3279}
3280
3281bind .   <Key-F5>     ui_do_rescan
3282bind .   <$M1B-Key-r> ui_do_rescan
3283bind .   <$M1B-Key-R> ui_do_rescan
3284bind .   <$M1B-Key-s> do_signoff
3285bind .   <$M1B-Key-S> do_signoff
3286bind .   <$M1B-Key-t> do_add_selection
3287bind .   <$M1B-Key-T> do_add_selection
3288bind .   <$M1B-Key-i> do_add_all
3289bind .   <$M1B-Key-I> do_add_all
3290bind .   <$M1B-Key-minus> {show_less_context;break}
3291bind .   <$M1B-Key-KP_Subtract> {show_less_context;break}
3292bind .   <$M1B-Key-equal> {show_more_context;break}
3293bind .   <$M1B-Key-plus> {show_more_context;break}
3294bind .   <$M1B-Key-KP_Add> {show_more_context;break}
3295bind .   <$M1B-Key-Return> do_commit
3296foreach i [list $ui_index $ui_workdir] {
3297        bind $i <Button-1>       "toggle_or_diff         $i %x %y; break"
3298        bind $i <$M1B-Button-1>  "add_one_to_selection   $i %x %y; break"
3299        bind $i <Shift-Button-1> "add_range_to_selection $i %x %y; break"
3300}
3301unset i
3302
3303set file_lists($ui_index) [list]
3304set file_lists($ui_workdir) [list]
3305
3306wm title . "[appname] ([reponame]) [file normalize [file dirname [gitdir]]]"
3307focus -force $ui_comm
3308
3309# -- Warn the user about environmental problems.  Cygwin's Tcl
3310#    does *not* pass its env array onto any processes it spawns.
3311#    This means that git processes get none of our environment.
3312#
3313if {[is_Cygwin]} {
3314        set ignored_env 0
3315        set suggest_user {}
3316        set msg [mc "Possible environment issues exist.
3317
3318The following environment variables are probably
3319going to be ignored by any Git subprocess run
3320by %s:
3321
3322" [appname]]
3323        foreach name [array names env] {
3324                switch -regexp -- $name {
3325                {^GIT_INDEX_FILE$} -
3326                {^GIT_OBJECT_DIRECTORY$} -
3327                {^GIT_ALTERNATE_OBJECT_DIRECTORIES$} -
3328                {^GIT_DIFF_OPTS$} -
3329                {^GIT_EXTERNAL_DIFF$} -
3330                {^GIT_PAGER$} -
3331                {^GIT_TRACE$} -
3332                {^GIT_CONFIG$} -
3333                {^GIT_(AUTHOR|COMMITTER)_DATE$} {
3334                        append msg " - $name\n"
3335                        incr ignored_env
3336                }
3337                {^GIT_(AUTHOR|COMMITTER)_(NAME|EMAIL)$} {
3338                        append msg " - $name\n"
3339                        incr ignored_env
3340                        set suggest_user $name
3341                }
3342                }
3343        }
3344        if {$ignored_env > 0} {
3345                append msg [mc "
3346This is due to a known issue with the
3347Tcl binary distributed by Cygwin."]
3348
3349                if {$suggest_user ne {}} {
3350                        append msg [mc "
3351
3352A good replacement for %s
3353is placing values for the user.name and
3354user.email settings into your personal
3355~/.gitconfig file.
3356" $suggest_user]
3357                }
3358                warn_popup $msg
3359        }
3360        unset ignored_env msg suggest_user name
3361}
3362
3363# -- Only initialize complex UI if we are going to stay running.
3364#
3365if {[is_enabled transport]} {
3366        load_all_remotes
3367
3368        set n [.mbar.remote index end]
3369        populate_remotes_menu
3370        set n [expr {[.mbar.remote index end] - $n}]
3371        if {$n > 0} {
3372                if {[.mbar.remote type 0] eq "tearoff"} { incr n }
3373                .mbar.remote insert $n separator
3374        }
3375        unset n
3376}
3377
3378if {[winfo exists $ui_comm]} {
3379        set GITGUI_BCK_exists [load_message GITGUI_BCK]
3380
3381        # -- If both our backup and message files exist use the
3382        #    newer of the two files to initialize the buffer.
3383        #
3384        if {$GITGUI_BCK_exists} {
3385                set m [gitdir GITGUI_MSG]
3386                if {[file isfile $m]} {
3387                        if {[file mtime [gitdir GITGUI_BCK]] > [file mtime $m]} {
3388                                catch {file delete [gitdir GITGUI_MSG]}
3389                        } else {
3390                                $ui_comm delete 0.0 end
3391                                $ui_comm edit reset
3392                                $ui_comm edit modified false
3393                                catch {file delete [gitdir GITGUI_BCK]}
3394                                set GITGUI_BCK_exists 0
3395                        }
3396                }
3397                unset m
3398        }
3399
3400        proc backup_commit_buffer {} {
3401                global ui_comm GITGUI_BCK_exists
3402
3403                set m [$ui_comm edit modified]
3404                if {$m || $GITGUI_BCK_exists} {
3405                        set msg [string trim [$ui_comm get 0.0 end]]
3406                        regsub -all -line {[ \r\t]+$} $msg {} msg
3407
3408                        if {$msg eq {}} {
3409                                if {$GITGUI_BCK_exists} {
3410                                        catch {file delete [gitdir GITGUI_BCK]}
3411                                        set GITGUI_BCK_exists 0
3412                                }
3413                        } elseif {$m} {
3414                                catch {
3415                                        set fd [open [gitdir GITGUI_BCK] w]
3416                                        puts -nonewline $fd $msg
3417                                        close $fd
3418                                        set GITGUI_BCK_exists 1
3419                                }
3420                        }
3421
3422                        $ui_comm edit modified false
3423                }
3424
3425                set ::GITGUI_BCK_i [after 2000 backup_commit_buffer]
3426        }
3427
3428        backup_commit_buffer
3429
3430        # -- If the user has aspell available we can drive it
3431        #    in pipe mode to spellcheck the commit message.
3432        #
3433        set spell_cmd [list |]
3434        set spell_dict [get_config gui.spellingdictionary]
3435        lappend spell_cmd aspell
3436        if {$spell_dict ne {}} {
3437                lappend spell_cmd --master=$spell_dict
3438        }
3439        lappend spell_cmd --mode=none
3440        lappend spell_cmd --encoding=utf-8
3441        lappend spell_cmd pipe
3442        if {$spell_dict eq {none}
3443         || [catch {set spell_fd [open $spell_cmd r+]} spell_err]} {
3444                bind_button3 $ui_comm [list tk_popup $ui_comm_ctxm %X %Y]
3445        } else {
3446                set ui_comm_spell [spellcheck::init \
3447                        $spell_fd \
3448                        $ui_comm \
3449                        $ui_comm_ctxm \
3450                ]
3451        }
3452        unset -nocomplain spell_cmd spell_fd spell_err spell_dict
3453}
3454
3455lock_index begin-read
3456if {![winfo ismapped .]} {
3457        wm deiconify .
3458}
3459after 1 {
3460        if {[is_enabled initialamend]} {
3461                force_amend
3462        } else {
3463                do_rescan
3464        }
3465
3466        if {[is_enabled nocommitmsg]} {
3467                $ui_comm configure -state disabled -background gray
3468        }
3469}
3470if {[is_enabled multicommit]} {
3471        after 1000 hint_gc
3472}
3473if {[is_enabled retcode]} {
3474        bind . <Destroy> {+terminate_me %W}
3475}
3476if {$picked && [is_config_true gui.autoexplore]} {
3477        do_explore
3478}